AuYou Wireless Doorbell Waterproof Touch Door Rings Kits 500 ft 52 Chimes home depot 1 Receiver and 1 transmitter white bell IP44 Waterproof / Dustproof touch button over 500 FT operating range (1000 FT open area); Wireless range depends on construction and materials. 52 Various melodies for you to choose for the specific receiver chime,with 4 levels volume adjustable (from 25db to 110db) for the wireless doorbell kit. Wireless Doorbell,ABS Material IP44 Waterproof/Dustproof Portable Door-Bell Kit with Intelligent Touching Switch Package contents: Doorbell Chime x 1,Button x 1,Battery 12V 23A x 1(Installed),Screws x 2,Anchors x 1,Double-side sticker x 1,User Manual x 1 Plug-in Wireless Doorbell Kit: 1000-feet, 52 Chimes, 4-Level Volume (White)