Motion Sensor Door Chime Alarm,BeiLan Wireless Home Security Driveway Doorbell Never worry about surprise visitors again with our Wireless Driveway Alert.This easy to use and set up, wireless Infrared Motion Sensor Door Bell Alarm.Bright LED Indicators and a choice of 38 Chimes allow you to customize your alerts. Working Range: Up to 70 meters Infrared sensing distance: 3-7 meters Receiver size:76*80*33mm PIR Sensor size:80*59*45mm Packing size:10*9*9cm Weight:0.16kg NOTE: Do not place the sensor detector in areas where the wind will move it, also try to keep the detective in a clear path to the receiver. Specifications: Working Voltage of the Receiver: 110V-240V Working Voltage of the PIR Sensor: 4.
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