Features: Time, date, week, temperature and humidity display; Using high precisions clock movement, accurate time; At night or when the light is dark, when the product detects vibration, it will automatically turn on the backlight;If the product does not vibrate for a long time, it will automatically turn offs the backlight during the day or when the light is strong; Charging mode: solar and battery double charging mode, no wiring. Solar charging, multifunction display, no wiring, long battery life, long standby, automatic switch. Specifications: Material:ABS Color:Blue Green,Blue Redness Size:Approx.80mm/3.15''x35mm/1.37'' Package Includes: 1Piece Car Clock note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.