2 to 1 PIR Infrared Sensors Wireless Doorbell Alarm Detector for Home / Office Filter-External Solid State Drives Approximate weight: 40KG

Approximate weight: 40KG

Line length: 2m

Outstanding Compatibility: 4-Port USB Hub for a variety of devices: laptops

The magnetic design makes it much more easy to use

just plug in

2 to 1 PIR Infrared Sensors Wireless Doorbell Alarm Detector for Home / Office Filter-External Solid State Drives Approximate weight: 40KGFeatures 1. Brand new and high quality. 2. Adopt advanced infrared detect technology. 3. No wiring design makes it simple to use and easy to install. 4. Up to 100m Wireless working distance in open area, 10m for indoor use. 5. Wireless installation, just place the sensor at the entrance. 6. The receiver volume is adjustable 7. The Receiver will Send chime sound and illuminate red LED lights when the PIR devices detect somebody is near. 8. Sensor