Wireless Doorbell Waterproof Door Bells Chimes Wireless Kit Door Bell Chimes Wireless -Over 1000 Foot Range 58 Chimes 5 Volume Levels with LED Flash Wireless Doorbells for Home 1 Pack

The doorbell wireless is fit for home, apartment, classroom, office, villas and more. You can use our doorbells to train dogs, using it to quiet down classrooms, when you ring the bell, the students will know it's time to move on to the next group, the kids are loving it also. And it can be a paging device for the elderly, can signal for care when they need it most. Specifications Wireless Range: 1000ft maximum in the open air Internal Sounds: 58 Chimes Volume: 5 level adjustable levels (0db to 110db) Receiver Power: AC 85V ~ 265V 50Hz / 60Hz Transmitter Power: 2 12V batteries required. (included)