1 to 2 PIR Infrared Sensors Wireless Doorbell Alarm Detector for Home / Office PC Laptop Parts Core material: tinned copper wire

Core material: tinned copper wire

Variable Packet Write

more convenient testing

Charging port board replacement for Xiaomi Mi Pad 4

Carton Size 57cm * 32cm * 32cm / 22

1 to 2 PIR Infrared Sensors Wireless Doorbell Alarm Detector for Home / Office PC Laptop Parts Core material: tinned copper wireFeatures 1. Adopt advanced infrared detect technology. 2. No wiring design makes it simple to use and easy to install. 3. Up to 100m Wireless working distance in open area, 10m for indoor use. 4. Wireless installation, just place the sensor at the entrance. 5. The receiver volume is adjustable 6. The Receiver will Send chime sound and illuminate red LED lights when the PIR devices detect somebody is near. 7. Sensor transmitter with installation