Description: 100% BRAND NEW! Large easy-to-read LCD screen Alarm and snooze Max & Min temp & humidity alert LCD display moon full and wane Weather forecast (Only for reference) After inserting the car cigarette lighter, backlight becomes Blue, then it can test the voltage of your car With high brightness of LED there is no difficulty in seeing the display Constantly monitor battery voltage, extend and protect the battery and engine lifeFeatures: Voltage: DC 12V Indoor temperature range: -10°C - +60°C (14~140℉) Outdoor temperature range: -50°C - +70°C(-58~158℉) Temperature display: C°/F° display Time display: 12h/24h format Powered by car cigarette lighter charger or one CR2032 button battery Screen dimension: Approx.125x65x20mm Material: ABS Color: BlackNote: Avoid other equipment affect Weather forecast function (For example Air condition & Fan) Please put the Sensor in the outdoor Please take out the batteries and reset the clock when the display unusual, or prick key "RESET", but time, date, alarm need set again. (The display will return normal time automatically after 10 seconds when you have not press any key.) Don"t shake it fiercely Don"t put the clock in the places where wet, high temperature or dustIncluded: 1 x Digital Car Clock Thermometer Hygrometer 1 x Car charger 1 x Mountable bracket