Battery: 400mAh lithium polymer batteryFunction: temperature monitoring, portable 0-2ne, music, LCD display, walkie-talkie, screen saverScreen size: 2.0 inchesEffective pixels: 220 x 176pxlSensor: 0.3 megapixel CMOSNight vision distance: 15 feet (5m)Transmission frequency: ISM 2400-2483.5 MHzBattery: 3.7V 400mAh lithium polymer batteryWorking temperature: -10 to 50 degrees CelsiusScreen size (width x height x depth): 63 x 126 x 27mmCamera size (width x height x depth): 60 x 102 x 60mm