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【57 Melodies and 4 Volume Levels】-KERUI doorbell has 57 unique chimes and 4 adjustable volume levels. The stereo speaker delivers rich and crisp sound, easily choose and set your favorite tones. And bright LED flash is suitable for the elderly and hearing impaired.
【Long Operating Range】-The wireless doorbell operating range can be up to 1000ft in open space. Great for home, apartment, office and classroom. You will never miss a chime!
【Waterproof & Dustproof】-The door bell is made of high-quality ABS material, IP55 waterproof and weatherproof protection, can withstand all kinds of severe weather conditions.
【Memory Funtion】-Our door bell has a smart memory function that can remember your last melody and volume level, even after a power outage, so there’s no need to choose your settings every time.
【Easy to Install】-The plug in doorbell receiver can be installed anywhere there is an outlet, transmitters can be fixed to the doorframe with screws, or attached by using double-sided. For more convenience, all the required accessories are included for an effortless setup. In case of malfunctions, please contact us as soon as possible for resolutions.


57 Ringtones & 4 Volume Levels The doorbell contains 57 melodies for you to select what you like. There are 4 adjustable doorbell volume levels which are from 95dB to 110dB, the sound is loud and clear enough to be heard anywhere you are.	Long Transmission Distance The range of wireless doorbell can reach 1000ft in open space, ensure you won't miss any visitors. It can be applied in apartment, school, villas, hotel, factory and more.	IP55 Waterproof Button The transmitter button is IP55 weatherproof level. Waterproof rating ensures the rainy day using excellent. With an operating temperature between -4°F and 140°F, it is able to withstand the different climates of different regions.


Colorful LED Flashing When the doorbell rings, the receiver will have a colorful light flashing. This feature is also helpful for those with a severe hearing impairment. A perfect wireless doorbell for elderly.	Compact Size The wireless Doorbell Kit has upgraded the design of the receiver station, the size is small and convenient and will not block other sockets.	Memory Function The wireless doorbells remember your last melody and volume level after a power outage. This smart feature ensures to save your time and your personal style doesn't removed.