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JInhua luckarm electric Co.,ltd
battery doorbell,waterproof doorbell,doorbell for apartment,musical doorbell,battery wireless doorbell, Manufacturer and Supplier - China(CN)
Information for Buyers
32 music battery waterproof wireless doorbell for home
Active pressure wave(receiver) : ?-57dbm
Negative pressure wave(button): ?-36dbm
Power supply(receiver): 4.5V
Power supply(button): 1*12V 23A
Alkaline battery: Working power consumption
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