CACAZI Plug-in Wireless Doorbell 300M Remote Control Door Ring Waterproof Button Transmitter Receive

Features : Wireless doorbell help you energy can saving. Easy to install and use. Free to adjust volume. High quality clear sound, can random change and ringtone. It can be used in offices, homes, hospitals, restaurants and other places. Specification : Material: Plastic Color: Gold Transmitter size: 75 x 42 x 19mm Receiver size: 90 x 60 x 30mm Receiver voltage: 110 - 220 V Remote control distance: 300 meters Transmitter using 12v23a alkaline batteries (not included) Package includeds : 1/2 x Doorbell transmitter 1/2 x Doorbell receiver 1/2 x Double sided tape 1 x Screw 1 x User Manul Details pictures :