Note: This item comes with , please confirm the voltage of your area before purchasing. Description Our doorbell is made of , rainproof can withstand high temperatures, and has no electromagnetic radiation. The working distance is wide, and there are music and light reminders. Can be installed in front of apartments, houses, and offices to welcome your guests. 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 doorbell has a long transmission distance, stable , and will not with other devices in your home. -The cordless doorbell is designed with multiple pieces of music, which can be switched arbitrarily, and the volume level can also be adjusted -Using upgrade control, micro-power consumption design, doorbell reception is fast and -The doorbell is made of ABS material, rainproof, and can withstand high temperatures, with no electromagnetic radiation -The receiver can be installed where there is a socket. The transmitter can be mounted with the included double-sided tape or screws 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