Daytech Wireless Doorbell Kits with Plug in Receiver and Self-powered Transmitter + Digital 24 Hour Clock with LED Display for Modern Living Room Not only a Door Bell Chime But also a Wall Time Clock

Daytech. Receiver Voltage: 85V-260V AC. Transmitter Battery: 12V23A alkaline battery. Volume: 0-110dB, 4 level. Selectable Ringtone: 38 melodies. Range: 200m in an open area. Frequency: 433.92 MHz. Operating Temp: 20-65. Power Consumption: transmitter 20mA, receiver 140mA. Features]. With the time and door number digital display function. 200 meters remote control/receiving distance when there are no obstacles). 38 different ring tones, easily choose and set your favorite ringtones as you want. 4 levels of adjustable volume including silent mode). Ultra low power design, power saving and long-lasting use. Advanced mirror material digital display. Specifications]. Receiver Voltage: 85V-260V AC. Transmitter Battery: 12V23A alkaline battery. Volume: 0-110dB, 4 level. Selectable Ringtone: 38 melodies. Range: 200m in an open area. Frequency: 433.92 MHz. Operating Temp: 20-65. Power Consumption: transmitter 20mA, receiver 140mA. What's in the box?. 1× Plug-in receiver. 1× Transmitter battery