SONOFF PIR3-RF 433MHZ Motion Sensor with Alarm Notification Instruction Manual
SONOFF PIR3-RF 433MHZ Motion Sensor with Alarm Notification Product Information The device is a motion sensor called PIR3-RF, manufactured by SONOFF TECHNOLOGIES CO., LTD. It operates at a frequency of 433MHz and can be used intelligently by working with the SONOFF 433MHz RF Bridge to … Read more