FY-0256 2 in 1 PIR Infrared Sensors (Transmitter + Receiver) Wireless Doorbell Alarm Detector for Home / Office / Shop / Factory, US Plug Car DVRs & Accessories or disconnected) to prevent electric

or disconnected) to prevent electric shock

Satellite positioning speed: about 1 to 3 minutes in an open place outdoors

transmission prompt

You should retune your TV and digital box from time to time to ensure you are receiving all available services

FY-0256 2 in 1 PIR Infrared Sensors (Transmitter + Receiver) Wireless Doorbell Alarm Detector for Home / Office / Shop / Factory, US Plug Car DVRs & Accessories or disconnected) to prevent electricFeatures 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