【Multiple Chimes & Easily Choose】60 different chimes and tunes to choose with 4 levels of adjustable volume from 0db to 110db. 【Easy Installation】Just plug the receiver into a socket and attach the transmitter on wall or door frame with adhesive tape or screws included. 【Remote Control Distance】300 meters for no walls. 【Sleek Design & IP67 Waterproof】The doorbell can stand up to rain, snow and temperature changes.