and high quality3-in-1 function. (Time/ temperature/ voltage functions)Four display modes. (Time only/ Temperature only/ Voltage only/ Time-temperature alternating voltage)Durable, stable, high sensitivityDisplay color: RedMaterial: PlasticShell color: blackRated input voltage: 12VTemperature range: -40 Celsius ~ 75 CelsiusHow to use:Turning on the of the car, the time will be shown on the vehicle mounted clock monitor.The indicator goes off when the car is turned off, so the clock is not consumed.The internal clock can work properly by using industrial battery (frequent replacement is not required), and the imported chip makes the time very accurate.Delivery content:1 x car digital clock with cigarette lighter plug1 x adhesive tape1 x user manualNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.