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Holahome Wireless Doorbell features a waterproof design and supports anti-interference long distance calls and loud door bells signal which goes across walls, no need to warry that you will not hear the call.
The doorbell features a wireless design,so you can place it wherever you want no matter what is the location.
Just press the wireless door bell button and it will activate the wireless doorbell receiver to inform you by the signal and LED flash light about teh visitors.