Cacazi Wireless Doorbell Ac 110-220v Ultra Long Distance 350m Remote Door Bell 48 Chimes 6 Volume

Specification : Doorbell model: W899 Receiving distance: 350M(open area) Volume: 6 levels(can adjust to mute) Ringtones: 48 pcs Transmitter size: 73x41x19mm Receiver size: 92x54x32mm The transmitter use a 12V23A alkaline bettery(not included). Package includeds : 1 x Doorbell button 1 x Doorbell receiver 1 x Double sided tape 1 x Screws Set Details pictures :