Wireless Doorbell Loud Classroom Doorbell IP66 Waterproof Doorbell 1000Ft 66 Chimes Mute Mode 115dB 7-Level Vol Electric Door Bell Ringer for Home Office Kids Room Teachers & Hearing-Impaired

【👍IP66 Waterproof and Dustproof】The doorbell with the highest waterproof rating on the market at present. The door bell ringer dustproof and waterproof rating is IP66 (operating temperature between -4°F-140°F), which can work in severe weather such as heavy rain, snowstorms or dust storms. Suitable for outdoor use.
【👍300M/1000Ft Long Wireless Range】This wireless doorbell transmission range is up to 1000Ft, featuring super remote control, penetrating power, signal stability and strong anti-interference features, will not interfere with or be interfered with other devices in your home or neighborhood. Whether you are in a room or kitchen, you will clearly hear the houses wireless doorbells when someone presses it, ensuring you can respond promptly without missing any visitors.
【👍66 Chimes and Mute Mode】The loud doorbells have 66 unique melodies and 7 adjustable volume levels(0dB-115dB) to meet your needs for different occasions. The maximum decibel level reaches 115db, so you can hear the bell even in noisy environments. Mute mode means you don’t have to worry about the bedroom doorbells disturbing your sleeping baby. The LED indicator in mute mode making it convenient for everyone, including people with hearing impairments.