CACAZI Smart Home Doorbell Waterproof 300m Remote Wireless Music Door Bell 52 Rings Door Chime

Specification : Brand name: CACAZI Model: A9 Working range: 300M(in open area) Ringtone: 52 pcs Volume: 4 levels Transmitter power: 12V 23A alkaline battery (Battery not included.) Receiver voltage: 75-250V Plug: US (Come with an adapter according to your country.) Transmitter size: 81x39x17mm Receiver size: 81x81x45mm Package includeds : 1 x Doorbell Button 1 x Doorbell Receiver 1 x Double-sided Tape 1 x Screw Set Details pictures :