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 DustproofThis wireless doorbell is rated IP66 for dustproof and waterproof performance (operating temperature between -4°F and 140°F), allowing it to operate in harsh weather conditions like heavy rain, snowstorms, or dust storms. It is suitable for both outdoor and indoor use. 300M/1000Ft Long Wireless RangeThe transmission range of this wireless doorbell is up to 1000 feet. It provides robust remote control, strong penetrating power, stable signal, and effective anti-interference capabilities, and will not interfere with or be affected by other devices in your home or neighborhood.

Whether you are in a room or the kitchen, you will hear the doorbell clearly when it is pressed, ensuring a prompt response. 66 Chimes and Mute ModeThis home doorbell offers 66 distinct melodies and 7 adjustable volume levels (0dB to 115dB). The maximum volume reaches 115dB, so you can hear the chime even in noisy surroundings. Mute mode allows you to prevent disturbing a sleeping baby. An LED indicator in mute mode makes it convenient for everyone, including individuals with hearing impairments. Easy InstallationThe wireless doorbell comes pre-paired and can be set up in minutes.

Simply plug the receiver into a power socket. The doorbell will retain all your settings even after a power outage, so you do not need to reselect the sound and volume when power returns. The receivers and transmitters are interchangeable and do not require re-pairing. Wide ApplicationThis doorbell can be installed at the front door of apartments, houses, offices, or workshops. It can also serve as a call device to assist the elderly in daily life, or as a tool for teachers to manage classrooms and maintain quiet