Usage Tips:Specifications: Display Information: Time, In Temperature, Humidity Dial Display: Digital Placement: Dashboard Origin: Mainland China Equipped with double-sided adhesive, please clean the paste position before pasting, the solar panel towards the light position, you can continue to charge the product. Solar Clock Specifications: 1,Push the slide switch on the back of the product upwards to turn on the power. 2,Slide the switch on the back of the product again to change another backlight colour. 3,Insert the type C socket on the side of the product to charge the product and keep the backlight always on. 4,Time setting operation is as follows: A. Press UP/DOWN to switch between °C and °F. B. Press the SET key for 3 seconds to enter the time setting mode, then press the SET key to enter the setting sequence: hour→minute→year→month→date→confirmation C. In setting mode, press up or down key to adjust the number up or down. 5,Press SET key to switch 12/24 hours mode 6,Press O to open the key light for 5 seconds 7, in the dark environment, when the car is moving, the backlight will automatically light up (solar model only), in the daytime or when the light is strong, the backlight will automatically go out 8, According to the current state, the temperature will show hot (HOT), comfortable (smiley) and cold (COOL) icons, humidity will show dry (DRY), comfortable (smiley) and wet (WET) icons. Special Note: Driving for a long time, such as transport vehicles, commercial vehicles, taxis, etc., need with a Button Battery Assist when the solar power supply is not enough. Package includes: 1 x Car Clock Thermometer