ew Waterproof Wireless Doorbell 300M Remote CALL EU Plug Smart Door Bell Chime Brand new and high quality. This set includes 1 piece of door bell receiver, 1 piece of remote control (transmitter). Self-powered, no need batter to operate. IP 44 waterproof design. Door receiver can be plugged into an electrical outlet in your home. Remote control range can be up to 300 meters. Plug in and use-no set up required. One remote doorbell button, one plug-in doorbells with 38 polyphony sounds. Loud enough to hear at any of the 3 levels of volume. Easy to install with the double side adhesive tape and the screws. You can install the doorbells in locations, such as kitchen, back yard, bedroom, etc. Plug Type: Malaysia Plug Ringtone: 38 Rings Operating Range: 300 meters in open area Volume: 3 level Transmitter power source: 12V23A alkaline battery Receiver power source: AC 110/240V plug-in socket Transmitter size: 75*51*20mm Receiver size: 95*65*24mm