Meco CACAZI LED Smart Doorbell Waterproof 300M Remote Mini Wireless Door Bell 38 Chimes 20-85dB Door Ring

Specification : Brand name: CACAZI Model number: A10 Color: Black Plug type: EU/US Ringtone: 38 pcs selection Volume: 4 levels adjustable Transmitter power: 1pc 12V 23A alkaline battery Receiver power: 100-240V home socket Transmitter size: 75x51x20mm Receiver size: 95x65x24mm Operating range: 300 meters in open area Package includeds : 1/2 x Doorbell transmitter 1/2 x Doorbell receiver 1 x Double-sided adhesive type 1 x Screws Set Details pictures :