MoBell Model A Gen Wireless Doorbell &ndash; 500 feet range with 52 audio chimes! AC Receiver Plugs in Wall! (Black) Our Model A Original Series MoBell. Sleek, modern, and stylish design in two great colors. Operates over 500 feet! Wireless doorbell button is rated as waterproof and rated for outdoor use. The receiver comes pre-installed with 52 different chimes! The wireless doorbell push button can be mounted on the wall with included screws or double sided sticky tape! The receiver plugs in to an electrical outlet. The units are FCC, RoHS, and CE. The box includes: 1 remote push button, 1 AC wall doorbell receiver, 2 screws, 2 anchors, 1 3M double sided tape, and 1 battery.