Note: This item comes with , please confirm the voltage of your area before purchasing. Description The door chime has been matched before shipment. All the required accessories are included in the package for an effortless installation. Door bell kit has stylish modern design in classic color, excellent materials keeps itself from getting higher temperature & . Features - Color: Black. - Material: ABS. - Size: 8.20X6.30X5.00cm/3.22X2.48X1.97inch. - Receiver voltage range: -230V. - Receiver operating temperature: -20 degree centigrade-55 degree centigrade. - Transmitter voltage range: 12V23A battery power supply. - Transmitter working temperature: -20 degree centigrade-65 degree centigrade. - Acceptance distance: 300 meters in a straight line. - Ringtones: 45 polyphonic music. - Volume: 0-110db (4 levels of volume can be adjusted). - Transmitter waterproof level: IP44. - : . - Made of materials, fine workmanship, durable and practical. - The doorbell with simple and creative design, easy to use and easy to install - No need for network, no wiring, a good helper for home use - High launch technology, stronger penetrating power, let you easily hear the in the whole house - Adjustable volume, you can adjust the volume according to your different needs Package list: 1 x doorbell transmitter 1 x doorbell receiver