The bell with 56 different tones and many different features for your DoorBell! The housmile waterproof wireless doorbell has a unique touch button and waterproof design, modern style, elegant and unique. The ABS material of the doorbell ensures longer service life with low power consumption and power-saving mode. No wire needed, just plug the receiver in the wall, and mount the wireless transmitter using the supplied double sided tape or mounting screws. It has 4 levels adjustable sound volume (25-110 dB), 52 optional stereophonic music tones allow you to change the tune with your mood. The Housmile Waterproof Wireless Doorbell is equipped with unique long distance transmission technology, 500ft-1000ft Super Far Wireless Transmitting Distance in an open air with no obstacles.