Wireless PIR sensor

A wireless motion sensor reports the first signs of intrusion into your home or office. It is mounted on the wall opposite doors and other places where intruders are likely to enter. Determines a person by the level of infrared radiation using a passive IR sensor. The received data is digitally processed to eliminate false alarms. Network: Wireless Frequency: 433 MHz Working voltage: DC4.5V Transmission distance: 300m (open area) Color: White Size: 110*65*40