Are you looking for a way to improve the security of your home? Exterior motion detectors are a great option. They can help you deter crime and keep your family safe.
Editor’s Note: This guide to exterior motion detectors was last published on July 18, 2023.
We’ve done the research and put together this guide to help you choose the exterior motion detector that’s right for you.
Key differences
| Feature | PIR | Microwave | Dual Technology |
|---|---|---|---|
| Technology | Passive Infrared | Microwave | Both PIR and Microwave |
| Detection Range | 20-40 feet | 100-200 feet | 50-100 feet |
| Sensitivity | Adjustable | Adjustable | Adjustable |
| Weather Resistance | Good | Excellent | Excellent |
| Cost | $20-$50 | $50-$100 | $100-$200 |
Main article topics
- How do exterior motion detectors work?
- What are the benefits of using exterior motion detectors?
- What are the different types of exterior motion detectors?
- How to choose the right exterior motion detector for your home
- How to install and maintain exterior motion detectors
Exterior Motion Detectors
Exterior motion detectors are an important part of any home security system. They can help to deter crime and keep your family safe. Here are eight key aspects of exterior motion detectors that you should know:
- Detection range: The detection range of a motion detector is the distance at which it can detect movement. Motion detectors with a longer detection range are better for covering large areas, such as a yard or driveway.
- Sensitivity: The sensitivity of a motion detector determines how easily it will trigger an alarm. More sensitive motion detectors are more likely to trigger an alarm, even for small movements.
- Weather resistance: Exterior motion detectors must be weather-resistant to withstand the elements. Look for motion detectors that are rated for the climate in your area.
- Type: There are two main types of exterior motion detectors: passive infrared (PIR) and microwave. PIR motion detectors detect changes in infrared radiation, while microwave motion detectors detect changes in microwave energy. Each type has its own advantages and disadvantages, so it’s important to choose the right type for your needs.
- Installation: Exterior motion detectors are typically installed on the eaves of a house or on a fence post. It’s important to install motion detectors at the correct height and angle to ensure optimal performance.
- Maintenance: Exterior motion detectors require regular maintenance to ensure that they are working properly. This includes cleaning the lenses and sensors, and checking the batteries or wiring.
- Cost: Exterior motion detectors range in price from $20 to $200. The cost of a motion detector will depend on the features and quality of the product.
- Benefits: Exterior motion detectors offer a number of benefits, including crime deterrence, peace of mind, and increased safety.
These are just a few of the key aspects of exterior motion detectors that you should know. By understanding these aspects, you can choose the right motion detectors for your home and improve your home security.
Detection range
The detection range of an exterior motion detector is a crucial factor to consider when choosing a model for your home security system. A motion detector with a longer detection range will be able to cover a larger area, which can be important for protecting large yards or driveways. However, it is important to note that a longer detection range can also increase the likelihood of false alarms, so it is important to choose a motion detector with a detection range that is appropriate for your needs.
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Benefits of a longer detection range:
- Can cover a larger area, providing more protection for your home
- Can be used to detect movement in areas that are not easily visible from the house
- Can help to deter crime by making it more difficult for intruders to approach your home undetected
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Drawbacks of a longer detection range:
- Can increase the likelihood of false alarms, especially if the motion detector is not properly adjusted
- Can be more expensive than motion detectors with a shorter detection range
- May not be necessary for homes with small yards or driveways
When choosing an exterior motion detector, it is important to consider the detection range in relation to the size and layout of your property. You should also consider the potential for false alarms and the cost of the motion detector. By carefully considering all of these factors, you can choose an exterior motion detector that is right for your needs.
Sensitivity
The sensitivity of an exterior motion detector is a critical factor to consider when choosing a model for your home security system. A more sensitive motion detector will be more likely to trigger an alarm when it detects movement, even if the movement is small. This can be beneficial for protecting your home from intruders, as it will make it more difficult for them to approach your home undetected. However, a more sensitive motion detector is also more likely to trigger false alarms, so it is important to find a balance between sensitivity and reliability.
There are a number of factors that can affect the sensitivity of an exterior motion detector, including the type of sensor used, the detection range, and the environmental conditions. PIR motion detectors are typically more sensitive than microwave motion detectors, and motion detectors with a longer detection range are typically more sensitive than those with a shorter detection range. Additionally, motion detectors can be more sensitive in certain environmental conditions, such as when it is dark or when there is a lot of movement in the area.
When choosing an exterior motion detector, it is important to consider the sensitivity in relation to your specific needs. If you are looking for a motion detector that is very sensitive and will trigger an alarm even for small movements, then you should choose a model with a high sensitivity setting. However, if you are concerned about false alarms, then you should choose a model with a lower sensitivity setting.
The following table provides a summary of the key points to consider when choosing the sensitivity of an exterior motion detector:
| Factor | Considerations |
|---|---|
| Type of sensor | PIR motion detectors are typically more sensitive than microwave motion detectors. |
| Detection range | Motion detectors with a longer detection range are typically more sensitive than those with a shorter detection range. |
| Environmental conditions | Motion detectors can be more sensitive in certain environmental conditions, such as when it is dark or when there is a lot of movement in the area. |
| Your specific needs | Consider your specific needs when choosing the sensitivity of an exterior motion detector. If you are looking for a motion detector that is very sensitive and will trigger an alarm even for small movements, then you should choose a model with a high sensitivity setting. However, if you are concerned about false alarms, then you should choose a model with a lower sensitivity setting. |
Weather resistance
Exterior motion detectors are an essential part of any home security system, and they need to be able to withstand the elements in order to function properly. Weather-resistant motion detectors are designed to withstand rain, snow, wind, and extreme temperatures, so you can be confident that they will continue to work even in the harshest conditions.
- Protection from the elements: Weather-resistant motion detectors are designed to protect against the elements, including rain, snow, wind, and extreme temperatures. This is important because exposure to these elements can damage the motion detector and prevent it from working properly.
- Durability: Weather-resistant motion detectors are made from durable materials that can withstand the elements. This means that they will last longer and be less likely to need to be replaced.
- Reliability: Weather-resistant motion detectors are more reliable than non-weather-resistant motion detectors. This is because they are less likely to be damaged by the elements, which means that they are more likely to continue working properly even in the harshest conditions.
When choosing an exterior motion detector, it is important to look for one that is weather-resistant and rated for the climate in your area. This will ensure that the motion detector will be able to withstand the elements and continue to work properly even in the harshest conditions.
Type
Exterior motion detectors are an essential part of any home security system. They can help to deter crime and keep your family safe. There are two main types of exterior motion detectors: passive infrared (PIR) and microwave.
- PIR motion detectors detect changes in infrared radiation. This means that they can detect movement even in complete darkness. PIR motion detectors are less expensive than microwave motion detectors, and they are also less likely to trigger false alarms.
- Microwave motion detectors detect changes in microwave energy. This means that they can detect movement through walls and other objects. Microwave motion detectors are more expensive than PIR motion detectors, and they are also more likely to trigger false alarms.
When choosing an exterior motion detector, it is important to consider the following factors:
- The size of the area you need to cover
- The sensitivity of the motion detector
- The cost of the motion detector
By considering these factors, you can choose the right exterior motion detector for your needs.
Installation
The installation of exterior motion detectors is a critical component of ensuring their effectiveness in protecting your home. Proper installation involves selecting the correct location and mounting height for the detectors, as well as ensuring they are properly aligned and angled for optimal coverage.
The ideal location for exterior motion detectors is on the eaves of your house or on a fence post, approximately 6-8 feet above the ground. This height allows the detectors to have a clear view of the area they are intended to protect, while minimizing false alarms from small animals or other non-threatening movement near the ground.
The angle of the motion detector is also important. It should be tilted down slightly so that it is pointing towards the ground. This will help to prevent the detector from being triggered by movement in the background, such as trees swaying in the wind or passing cars.
By following these guidelines, you can ensure that your exterior motion detectors are installed correctly and are providing optimal protection for your home.
Here is a table summarizing the key points about installing exterior motion detectors:
| Aspect | Key Points |
|---|---|
| Location | Install on eaves of house or fence post, 6-8 feet above the ground |
| Height | Tilt down slightly to point towards the ground |
| Angle | Select a location with a clear view of the area to be protected |
| Coverage | Ensure detectors are properly aligned and angled for optimal coverage |
Maintenance
Exterior motion detectors are an important part of any home security system. They can help to deter crime and keep your family safe. However, in order for exterior motion detectors to work properly, they need to be properly maintained. This includes cleaning the lenses and sensors, and checking the batteries or wiring.
The lenses and sensors of exterior motion detectors can become dirty over time, which can reduce their effectiveness. Cleaning the lenses and sensors is a simple process that can be done with a soft cloth and a mild detergent. It is important to be careful not to damage the lenses or sensors when cleaning them.
The batteries in exterior motion detectors need to be replaced periodically. The frequency with which the batteries need to be replaced will vary depending on the type of battery and the usage of the motion detector. It is important to check the batteries regularly and replace them when they are low.
The wiring of exterior motion detectors can also become damaged over time. This can be caused by weather conditions, animals, or other factors. It is important to check the wiring of exterior motion detectors regularly and repair any damage that is found.
By following these simple maintenance tips, you can help to ensure that your exterior motion detectors are working properly and are helping to keep your family safe.
Table: Maintenance tasks for exterior motion detectors
| Task | Frequency |
|---|---|
| Clean lenses and sensors | Monthly |
| Check batteries | Every 6 months |
| Check wiring | Yearly |
Cost
The cost of exterior motion detectors varies depending on a number of factors, including the features and quality of the product. Some of the key factors that affect the cost of exterior motion detectors include:
- Type of sensor: PIR motion detectors are typically less expensive than microwave motion detectors.
- Detection range: Motion detectors with a longer detection range are typically more expensive than those with a shorter detection range.
- Sensitivity: More sensitive motion detectors are typically more expensive than less sensitive motion detectors.
- Weather resistance: Weather-resistant motion detectors are typically more expensive than non-weather-resistant motion detectors.
- Brand: Some brands of exterior motion detectors are more expensive than others.
When choosing an exterior motion detector, it is important to consider the cost in relation to the features and quality of the product. It is also important to consider the specific needs of your home and security system when making a decision.
Benefits
Exterior motion detectors are an essential part of any comprehensive home security system. They can provide a number of benefits, including crime deterrence, peace of mind, and increased safety.
Crime deterrence
Exterior motion detectors can help to deter crime by making it more difficult for burglars and other criminals to approach your home undetected. When a motion detector is triggered, it will typically activate a security alarm, which can scare off criminals and alert you and your neighbors to a potential threat.
Peace of mind
Exterior motion detectors can also provide peace of mind by giving you a sense of security. Knowing that your home is being monitored by a motion detector can help you to relax and feel more secure, even when you are away from home.
Increased safety
In addition to deterring crime and providing peace of mind, exterior motion detectors can also help to increase safety by alerting you to potential hazards. For example, a motion detector can be used to detect a fire or flood, giving you time to evacuate your home and call for help.
Overall, exterior motion detectors are a valuable addition to any home security system. They can provide a number of benefits, including crime deterrence, peace of mind, and increased safety.
Table: Benefits of exterior motion detectors
| Benefit | Explanation |
|---|---|
| Crime deterrence | Exterior motion detectors can help to deter crime by making it more difficult for burglars and other criminals to approach your home undetected. |
| Peace of mind | Exterior motion detectors can also provide peace of mind by giving you a sense of security. Knowing that your home is being monitored by a motion detector can help you to relax and feel more secure, even when you are away from home. |
| Increased safety | In addition to deterring crime and providing peace of mind, exterior motion detectors can also help to increase safety by alerting you to potential hazards. For example, a motion detector can be used to detect a fire or flood, giving you time to evacuate your home and call for help. |
FAQs on Exterior Motion Detectors
Exterior motion detectors are an essential part of any comprehensive home security system. They can provide a number of benefits, including crime deterrence, peace of mind, and increased safety.
Question 1: What are the different types of exterior motion detectors?
Answer: There are two main types of exterior motion detectors: passive infrared (PIR) and microwave. PIR motion detectors detect changes in infrared radiation, while microwave motion detectors detect changes in microwave energy. Each type has its own advantages and disadvantages.
Question 2: Where should I install exterior motion detectors?
Answer: Exterior motion detectors should be installed in areas where they can cover the most vulnerable points of entry to your home. This includes doors, windows, and other areas where an intruder could gain access.
Question 3: How do I adjust the sensitivity of an exterior motion detector?
Answer: The sensitivity of an exterior motion detector can be adjusted to reduce false alarms. To adjust the sensitivity, follow the instructions in the manufacturer’s manual.
Question 4: How often should I test my exterior motion detectors?
Answer: Exterior motion detectors should be tested regularly to ensure that they are working properly. It is a good idea to test your motion detectors at least once a month.
Question 5: What should I do if my exterior motion detector triggers a false alarm?
Answer: If your exterior motion detector triggers a false alarm, first try to identify the source of the false alarm. Once you have identified the source of the false alarm, you can take steps to prevent it from happening again.
Question 6: How can I troubleshoot my exterior motion detector if it is not working properly?
Answer: If your exterior motion detector is not working properly, there are a few things you can do to troubleshoot the problem. First, check the batteries or wiring to make sure that the motion detector is receiving power. Next, check the lenses and sensors to make sure that they are clean and free of debris. Finally, try resetting the motion detector by following the instructions in the manufacturer’s manual.
Summary of key takeaways or final thought:
Exterior motion detectors are a valuable addition to any home security system. They can provide a number of benefits, including crime deterrence, peace of mind, and increased safety. By following the tips in this FAQ, you can choose, install, and maintain exterior motion detectors to help protect your home and family.
Transition to the next article section:
Now that you know more about exterior motion detectors, you can learn about other home security devices that can help to protect your home and family.
Tips on Exterior Motion Detectors
Exterior motion detectors are an essential part of any comprehensive home security system. They can provide a number of benefits, including crime deterrence, peace of mind, and increased safety.
Here are some tips on choosing, installing, and maintaining exterior motion detectors:
Tip 1: Choose the right type of motion detector.
There are two main types of exterior motion detectors: passive infrared (PIR) and microwave. PIR motion detectors are less expensive and less likely to trigger false alarms, while microwave motion detectors can detect movement through walls and other objects.
Tip 2: Install motion detectors in the right locations.
Exterior motion detectors should be installed in areas where they can cover the most vulnerable points of entry to your home, such as doors, windows, and other areas where an intruder could gain access.
Tip 3: Adjust the sensitivity of the motion detector.
The sensitivity of a motion detector can be adjusted to reduce false alarms. To adjust the sensitivity, follow the instructions in the manufacturer’s manual.
Tip 4: Test your motion detectors regularly.
Exterior motion detectors should be tested regularly to ensure that they are working properly. It is a good idea to test your motion detectors at least once a month.
Tip 5: Maintain your motion detectors.
Exterior motion detectors require regular maintenance to ensure that they are working properly. This includes cleaning the lenses and sensors, and checking the batteries or wiring.
Summary of key takeaways or benefits:
By following these tips, you can choose, install, and maintain exterior motion detectors to help protect your home and family.
Transition to the article’s conclusion:
Exterior motion detectors are a valuable addition to any home security system. They can provide a number of benefits, including crime deterrence, peace of mind, and increased safety. By following the tips in this article, you can choose, install, and maintain exterior motion detectors to help protect your home and family.
Conclusion
Exterior motion detectors are an essential part of any comprehensive home security system. They can provide a number of benefits, including crime deterrence, peace of mind, and increased safety. By understanding the different types of motion detectors available, choosing the right locations for installation, and maintaining your detectors properly, you can ensure that your home is protected.
Exterior motion detectors are a valuable investment in the safety of your home and family. By following the tips in this article, you can choose, install, and maintain exterior motion detectors to help protect your home and family.
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