Sonoff Small 433MHz RF PIR Motion Sensor: Wireless Motion SensorTo monitor motion in your home, use the Sonoff Small 433 MHz RF PIR Motion Sensor. With the sensor, you will have all the movement in your home under control. To control the Sonoff Small sensor, a Sonoff RF Bridge central unit or another unit using an RF gateway is required. It is the latter that will ensure that all elements communicate with each other. The sensor can accommodate a 100° angle of view. It is very easy to install using double-sided tape. COLOURWhite CONNECTIONSRadio wave SIGNAL RANGE8 metres Keep your home under controlWhen theSonoff Small RF PIR sensor detects any movement it triggers a scheduled action. Place the sensor by your bed and if you get up at night the bathroom light will automatically turn on. A sensor placed under your desk will do the same service. Just wave your hand to turn the room on or off. Two sensor modes The SonoffSonoff Small 433MHz RF PIR Motion Sensor has two built-in modes. Alert mode and normal mode. Alert mode can be set to detect unusual motion every 5 seconds. This way, no thief will stand a chance. In normal mode, the next activation will be triggered if no motion is detected for one minute after the previous activation. Key Features of the Sonoff Small 433 MHz RF PIR Wireless Motion SensorThe Sonoff Small 433 MHz RF PIR Wireless Motion Sensor requires a central unit to functionThe Sonoff sensor can turn on lights when entering a roomIt has a 100° angle of viewThe sensor has two built-in modes.