Multifunctional Car Clock with Temperature Calendar Display 12H 24H Time Date Fatigue Alert 4 Adjustable Brightness Levels Features： 1、Fully automatic car clock, real-time display of time, date and temperature, large font for easy viewing. 2、Built-in intelligent sensor, the car starts vibrating to brighten the screen, automatically sleep when parked, saving energy. 3、Supports manual adjustment of screen brightness, four-level adjustable, to meet your different needs, clear at day and night. 4、Powered by 2 x AAA battery(not included), no wiring or charging required. With fatigue driving reminder to make driving safer. 5、Made of high-quality ABS and PC, fine workmanship, nice durability, wear and high temperature resistant, not easy to age. Specification： Features: Fully automatic car clock, real-time display of time, date and temperature, large font for easy viewing. Built-in intelligent sensor, the car starts vibrating to brighten the screen, automatically sleep when parked, saving energy. Supports manual adjustment of screen brightness, four-level adjustable, to meet your different needs, clear at day and night. Powered by 2 x AAA battery(not included), no wiring or charging required. With fatigue driving reminder to make driving safer. Made of high-quality ABS and PC, fine workmanship, nice durability, wear and high temperature resistant, not easy to age. Specifications: Color: Black Material: ABS + PC Power: 2 * AAA Battery(Not Included) Temperature Measurement Range: -30-80°C Working Temperature: -20-70°C Item Size: 95 * 80 * 25mm/ 3.7 * 3.1 * 1.0in Item Weight:  150g/ 5.3oz Package Size: 100 * 90 * 100mm/ 3.9 * 3.5 * 3.9in Package Weight: 230g/ 8.1oz Note: The displayed temperature is the local temperature where the clock is placed, not the average temperature inside the car. When the suns is in direct sunlight, the temperature is relatively high; when there is no direct sunlight, the temperature is relatively accurate, with an error of +/- 1°C. Packing List: 1 * Digital Clock Package List： 1 * Digital Clock