KERUI Wireless Doorbell, Plug in Waterproof Battery Operated Cordless Doorbell Operating at 1,000 Feet Long Range with 32 Chimes 4 Volume Levels LED Light Easy Install for Home, School, Office

【IP66 Waterproof and Dustproof】 KERUI wireless door bell outdoor waterproof transmitter, IP66 waterproof and dustproof rating ensures perfect outdoor performance. Waterproof outdoor doorbell transmitter operates from -4 to +122°F, withstanding harsh weather conditions.
【Wireless Range / Strong Expandability】 With 300M / 1000FT wireless range, you can install and use the wireless bell transmitter and wireless doorbell receiver anywhere in your house and make sure you don’t miss any visitors. And you can add up to 30 doorbell transmitters/motion detectors/sensors, and each wireless doorbell transmitter can add unlimited number of wireless bell receivers to meet your different needs.
【32 Tones & 4 Adjustable Volumes】 KERUI wireless doorbell has 32 different tones to choose from, 4 adjustable volume levels (25-125dB), when the external doorbell receiver rings, the wireless doorbell outdoor waterproof outdoor also flashes a LED light light blue, which is very useful for people with hearing problems. Made of ABS material, non-toxic and harmless. It has no electromagnetic radiation and is also very safe for pregnant women or children.
【Easy Installation and Memory Function】Just plug the wireless doorbell receiver into a power outlet and use double-sided tape or screws to mount doorbell transmitter on the wall or anywhere you want, suitable for houses, warehouses, shops, Hotels, offices commercial. The waterproof outdoor doorbell kit remembers the last melody selected, so there is no need to reset the melody and volume after a power outage.
【Multi-purpose】The wireless doorbell can be used as an emergency rescue button for the elderly and children. When the elderly and children need help, just press the waterproof wireless bell transmitter button to alert relatives and get help in time.