1 to 2 PIR Infrared Sensors Wireless Doorbell Alarm Detector for Home / Office Filter-Access Controller Wireless: IEEE 802

Wireless: IEEE 802

USB Port 2 x USB 2

Size: 42x42x8mm

One Package Size 15cm * 7

24inch * 18

1 to 2 PIR Infrared Sensors Wireless Doorbell Alarm Detector for Home / Office Filter-Access Controller Wireless: IEEE 802Features 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