Sonoff PIR3-RF has a small as well as a compact size, and can easily be moved and placed ideally to detect movement.
The Sonoff PIR3-RF motion sensor can detect and report motion. When incorporated into your smart lifestyle, the sensor triggers your lights on or off after connecting with Sonoff RF Bridge.
PIR3-RF has 2 working modes that alert and normal mode. In the alert mode, the sensor is triggered per 5s when someone enters the detection range. In the normal mode, the next alert trigger is activated if there is no motion detected within 1min after the previous detection.
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