Item Tag: 2 Sensor+1 Receiver
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Wireless Door Chime Alarm System – 800ft Range, 20 Melodies, 5 Volume Levels, LE
What are you waiting for?. It is made of high quality ABS material, more robust and durable. With a working distance of 800 feet, you won’t miss a single doorbell alert. Step 3:Separate the sensor quickly,it will makes a “Ding-Ding” sound and the receiver indicator flashes.