Model No.:DB4005
Product Origin:China
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Description:Product Name: Wireless DoorbellModel Number: DB4005Place of Origin: ChinaFeatures: 1) Ding-dong or Westminster chime 2) Controlling range up to 80 meters 3) Frequency: 433.92MHz or 315MHz 4) Power: 12V for transmitter and AC110/220V for receiver (with plug)