FY-0256 2 in 1 PIR Infrared Sensors (Transmitter + Receiver) Wireless Doorbell Alarm Detector for Home / Office / Shop / Factory, UK Plug Tag-HP Spare Parts Double bottom box + super

Double bottom box + super heat-dissipating hole

support 8GB-64GB memory card

Weight: 120g

range can be set

Carton Size 55cm * 52cm * 32cm / 21

FY-0256 2 in 1 PIR Infrared Sensors (Transmitter + Receiver) Wireless Doorbell Alarm Detector for Home / Office / Shop / Factory, UK Plug Tag-HP Spare Parts Double bottom box + superFeatures 1. Adopts infrared detect technology. 2. No wiring design makes it simple to use and easy to install. 3. Long sensing distance. 4. 38 songs for choice in total, you can choose the song throgh click the music key on the side of receiver. 5. 3 levels of volume for adjust, you can adjust it by click the volume key on the side of receiver. 6. The receiver has the function to set voiced noiseless modes, you need to adjust it by click the volume