Note: This item comes with , please confirm the voltage of your area before purchasing. Description This product is a wireless doorbell, including a receiver and a transmitter. There are music ringtones, you can adjust the volume, and there are flashing lights to remind you, which brings convenience to your use. Suitable for installation in homes, shops, schools, offices, and other places. Features -Color:Black -Material: ABS -Doorbell transmitter size: 7.60X4.50X1.70cm/2.99X1.77X0.67in -Doorbell receiver size: 10.50X6.30X4.00cm/4.13X2.48X1.57in - Voltage: AC230V -Receiver voltage: AC85-260V -Receiver operating temperature: -20-55 degree centigrade -Receiving distance: About 150-200 meters -Transmitter voltage: 12V 23A -Transmitter operating temperature: -20-65 degree centigrade -Volume: 0-110 decibel -Working frequency: 433.92MHz -The wireless doorbell is very practical, and with the long working distance, which brings convenience to your use. -The cordless doorbell ringtones, the volume can be adjusted, and a flashing light reminder -Touch button configuration, excellent performance, even if you are in the room, you will not miss -The cordless doorbell is suitable for installation in homes, shops, schools, and offices -Easy to install, the receiver is directly plugged into the socket, and the transmitter can be easily installed with screws or tapes Package list: 1 x Doorbell transmitter 1 x Doorbell receiver 2 x Screws 1 x Double-sided tape 1 x Doorbell sticker 1 x Instruction manual