ITEM NAME:3 in 1 Multi-function Car LCD Digital Clock Voltage Meter Thermometer Voltmeter Description: Large display makes it easy to read Time, Temp, and Voltage. Time/Date display. Switch the display between 12-hour and 24-hour the car both inside and outside temperature sensing. Temperature measurement : -50-70 degrees.when the temperature is below -1 degrees, ice alarm warning lamp lights up. Real-time monitoring of the car battery voltage, the figures show the voltage. the voltage is too high or too low, the alarm sound and lighting tips. blue, orange backlight color conversion. Specification: Display type: digital LCD display Time / date display: 12 / 24 hour system conversion Voltage: DC 12V Temperature measuring range: minus 50 to plus 70 Deg.C Temperature display resolution: 1 Deg.C Temperature accuracy: minus or plus 1 Deg.C Sensing line length: about 150cm Power line length: about 140cm Size:Approx. 114*25*30mm Package Includes: 1 Piece Car Digital Thermometer Voltmeter Monitor Clock 1 Piece User Manua SKU: DMO0010093068001963.The car both inside and outside temperature sensing. Display type: digital LCD display. 1 Piece User Manua. 114 25 30mm. Power line length: about 140cm. Sensing line length: about 150cm.