12V 3 In 1 Car CAR LED Voltmeter Thermometer Clock + LED Clock Digital Display Features: 100% brand new and high quality. Portable size and lightweight, plug and play, easy to use. 3 in 1 design with alternated mode and fixed mode. convenient and practical. Built-in rechargeable battery for saving the settings while the cigarette lighter power off. Suitable for DC 12V vehicles, such as cars, SUVs, etc. Specifications: Material: ABS Color: Black Size: 78*115*15mm Cable Length: 65cm Power Supply: DC 12V LED Color: Red Voltage Measurement Range: DC 6V-30V Temperature Measurement Range: -20°C-+70°C Package Include: 1x 3-in-1 Car Thermometer/Voltmeter/Digital Clock Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.Please allow minor error due to manual measurement.