Sonoff pir sensor is a 433mhz rf pir motion sensor for human detection.
The sonoff pir motion detector can work with the sonoff rf bridge 433, providing human detected alarm message push to your phone.
Dual infrared- more accurate and sensitive working.
The pir sensor designed for a longer lifetime with ultra-low power microprocessors.
The motion sensor is easy for install and set-up, wall-mounted. It is robust and durable, suitable for homes, offices, stores, garages etc. Offer a safer life for your families and friends.