Meco CACAZI Wireless Doorbell 300M Waterproof Door Bell AC 110-220V 80dB 1 Emitter 1 Receiver No Battery

Specification : Brand Name: CACAZI Model Number: V018F Color: Black Plug Type:EU/US Ringtone: 38 pcs Operating Range: 300 meters in open area Digital circuit design,not cross-talk Volume: 3 levels Transmitter power source:12V 23A alkaline battery(Battery is not included.) Receiver power source:AC 110/240V plug-in socket Transmitter size: 77x41x20mm Receiver size: 102x63x28mm Package includeds : 1 x Doorbell transmitter 1 x Doorbell receiver 1 x Installation Set Details pictures :