Product details: Name: Car clock, car luminous solar electronic clock Style: S78 solar model Color: blue-green light, blue-red light The solar model is a solar model that will stay on when the light is dark and there is vibration at night Equipped with double-sided tape, please clean the pasting position before pasting, and the solar panel faces the bright position to continuously charge the product. 1. Push the sliding switch on the back of the product upward to turn on the power 2. Slide the switch on the back of the product again to change another backlight color 3. Insert the type C socket on the side of the product to charge the product and keep the backlight on. 4. The time setting operation is as follows: A. Press the UP/DOWN button to switch between °C and °F B. Press the SET button for 3 seconds to enter the time setting mode, and then press the SET button to enter the setting sequence: hour→minute→year→month→date→confirm C. In the setting mode, press the up or down button to adjust the number up or down 5. Press the SET button to switch between 12/24 hour mode 6. Press O to turn on the key light for 5 seconds 7. In a dark environment, when the car is driving, the backlight automatically lights up (solar model only), and the backlight automatically turns off during the day or when the light is strong 8. Depending on the current status, the temperature will display icons of hot (HOT), comfortable (forsmiley face) and cold (COOL), and the humidity will display icons of dry (DRY), comfortable (forsmiley face) and wet (WET) 9. The product comes with a spare CR2032 battery (it can be used as a backup when the product is not charged, you can choose not to use it) Product includes: 1*car clock car luminous solar electronic clock Note: Please allow slight size errors (12 cm/0.390.78 inches) due to manual measurement, which shall prevail in actual receipt; please allow slight color errors under different monitors.