Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si and high quality 3-in-1 function. (Time/ temperature/ voltage functions) Four display modes. (Time only/ Temperature only/ Voltage only/ Time-temperature alternating voltage) Durable, stable, high sensitivity Display color: blue Material: Plastic Shell color: black Rated input voltage: 12V Temperature range: -40 Celsius ~ 75 Celsius How to : 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 . The internal clock can work properly by using industrial battery (frequent replacement is not required), and the professional imported chip makes the time very . Delivery content: 1 x car digital clock with lighter plug 1 x adhesive tape 1 x user manual Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.