Wireless Doorbell for Two Door Battery Operated 1300ft Long Range, Waterproof Cordless Plug Door Chime Kit with 2 Remote Push Buttons, 55 Ringtones 5 Volume LED Flash, Front and Back Door Bell, Black by Amazon.co.uk

• \U0001d400\U0001d41d\U0001d41d\U0001d422\U0001d42d\U0001d422\U0001d428\U0001d427\U0001d41a\U0001d425 \U0001d403\U0001d428\U0001d428\U0001d42b \U0001d412\U0001d422\U0001d420\U0001d427: Extra doorbell sign to give your visitors a more friendly indication

• \U0001d408\U0001d40f\U0001d7d3\U0001d7d3 \U0001d416\U0001d41a\U0001d42d\U0001d41e\U0001d42b\U0001d429\U0001d42b\U0001d428\U0001d428\U0001d41f: The outdoor wireless doorbell transmitter is resistant to rain water drops, the IP55 waterproof and dustproof rating ensures perfect outdoor performance, withstands harsh weather conditions

• \U0001d416\U0001d422\U0001d42b\U0001d41e\U0001d425\U0001d41e\U0001d42c\U0001d42c \U0001d411\U0001d41a\U0001d427\U0001d420\U0001d41e: 400m wireless long range(open area), you can install and use the wireless doorbell transmitter anywhere in your home and make sure you don't miss any visitors

• \U0001d404\U0001d41a\U0001d42c\U0001d432 \U0001d408\U0001d427\U0001d42c\U0001d42d\U0001d41a\U0001d425\U0001d425\U0001d41a\U0001d42d\U0001d422\U0001d428\U0001d427: Simply plug the cordless indoor receiver into socket and use double-sided tape or screws to mount the outdoor push button on the wall or wherever you want. No wireless interference problem

• \U0001d40b\U0001d428\U0001d42e\U0001d41d \U0001d412\U0001d428\U0001d42e\U0001d427\U0001d41d: The plug-in doorbell features 5 adjustable volume levels from 0 to 110 dB

• \U0001d40c\U0001d41e\U0001d426\U0001d428\U0001d42b\U0001d432 \U0001d405\U0001d42e\U0001d427\U0001d41c\U0001d42d\U0001d422\U0001d428\U0001d427: Built-in memory chip remembers the last settings without having to reset after a power failure

• \U0001d40b\U0001d404\U0001d403 \U0001d408\U0001d427\U0001d41d\U0001d422\U0001d41c\U0001d41a\U0001d42d\U0001d428\U0001d42b: Wireless doorbell has 55 different tones to choose from, when the ringer sounds, two parts with blue LED flashing. The flashing of the bright LED light is an excellent feature alarm for the Hearing Impaired or elderly people