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GM-SDB107
Touchable Wireless Door Bell
- Detail of Products
Receiving distance:300meters in open area
Volume:5 levels
Transmitter battery type: 12V23A alkaline battery(not included)
Receiver power supply : 110v-220v
Emitter: use only 12v23A battery (not included battery)
Emitter size:77mm*46mm*20mm
Receiver size:56mm*56mm*16mm