US/EU Plug 220V 300M Remote 52 Rings Wireless Waterproof Intelligent Doorbell Door Chime White US Plug

Packing Included:1*Doorbell Transmitters（Batteries not included）1*Doorbell Receiver
Specification:Model number: A9Operating range: 300 metres(in open area)Ringtone: 52 kindsVolume: adjustable of 4 levelsTransmitter size: 81*39*17mmReceiver size: 81*81*45mm
Doorbell connection: Press the receiver volume key for 3 seconds, press the transmitter immediately.Disconnect: Press and hold the receiver volume key for 8-10 seconds
Feature:1.The product is easy to install.2.The receiver work with AC 75-250V source. 3.300 metres operating range(in open area)4.The transmitter use with a 12V 23A alkaline (not included).
Note：when using stickers,please press and hold for 30 seconds, the best effect


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