Wireless Doorbell, Waterproof Door Bell with 60 Chimes, 5 Volume Levels & 2 Mute Modes, Loud Doorbells Wireless for Home Classroom Office (1 Receiver & 1 Button, Black, American Plug)

【🎵Your Intelligent Wireless Doorbell】60 selected melodies to switch at will, the first ringtone preview mode, long press the button to listen to the prelude of each song for 2 seconds, easy to find your ‘welcome song’. 5-speed volume adjustment and mute mode, the baby’s nap, the night rest will not disturb the family.
【🏡Boundless Guardian Precise Response】With a 1000-foot reception distance and a maximum volume of 110 decibels, the tone can be heard clearly in your apartment, office or classroom. For families, it’s your guardian butler; for teachers, it can help keep your classroom quiet and focused.
【⚡3s to Complete the Installation】No wiring required! The receiver is plug and play, with stickers easily on the wall. Power Failure Memory automatically saves preferences, and still remembers your favourite Canon ringtone and comfortable volume after an unexpected power outage, just like having a caring electronic housekeeper. !!!Please note that our products are only suitable for U.S. plugs, if you use in other countries need to provide their own converter!!!