How does the Body Sensor Floodlight's motion detection feature work?

2023-12-01

1. Infrared sensor:

The infrared sensor built into the Body Sensor Floodlight is a device that can detect infrared radiation emitted by the human body. These sensors identify movement based on changes in thermal radiation, because humans and animals emit thermal energy when they move, producing weak but detectable infrared radiation. When a person or animal enters the sensor's range, this change in radiation is captured by the sensor, triggering an electronic signal that subsequently activates the connected lighting system. The advantage of this technology is its rapid response, the ability to accurately identify activity and activate lighting in a timely manner, increasing the security of a home or commercial area.

2. Passive infrared sensor (PIR):

The passive infrared sensor (PIR) commonly used by Body Sensor Floodlight is a sensor that detects changes in infrared radiation in the surrounding environment. These sensors rely on so-called "passive" sensing methods, which do not emit signals themselves but monitor changes in the thermal energy of surrounding objects. Once a person or object enters its sensing range, causing a change in the surrounding temperature, the PIR sensor can detect this change and send a signal to trigger the Floodlight lighting system. This technology is great for both security and energy saving, as it only enables lighting when activity is detected, avoiding unnecessary waste of energy.

3. Set sensitivity:

Body Sensor Floodlight typically allows the user to adjust the sensor's sensitivity as needed. This feature allows users to customize sensor triggering conditions according to different environments and usage scenarios. By adjusting the sensitivity, users can set the distance at which the sensor triggers and how well it recognizes large and small objects. For example, in areas that require wider monitoring, users can turn the sensitivity up, while in small areas, users can adjust it to a lower level to ensure that only closer objects trigger the lights.

4. Time delay:

Many Body Sensor Floodlights feature a time delay setting, allowing the user to adjust the amount of time the light remains on after being triggered. Once the sensor detects activity, the lights stay on for a set time and then turn off automatically. This feature is useful for providing sufficient time to inspect an active area and extend the lighting time if needed. Users can set the delay time based on personal preference and actual needs, ranging from a few seconds to a few minutes.

5. Automatically adjust brightness:

Some models of Body Sensor Floodlight have an automatic brightness adjustment function, which can provide higher brightness light when movement is detected based on changes in ambient light. For example, when ambient light is low, the sensor automatically increases lighting intensity to provide better visibility and safety. Features like this are useful for different weather conditions and time periods, ensuring the appropriate level of lighting is provided when needed.

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