Feature1The solar luminous car clock can only display the time (24 hours), date and week, or it can use other functions alternately. 2The doublesided adhesive adopts highquality transparent, seamless doublesided adhesive film, which is resistant to high temperature and strong adhesive force. It will not damage the surface of the adhesive, will not leave traces of glue, and can be used multiple times. 3Free wiring, no operation required, highquality solar panel power supply, rechargeable solar battery power supply + high temperature lithium battery power supply, fixed paste, no wiring required. 4The digital LED picture tube is clearly visible during the day and night, and has an automatic brightness adjustment function, which is soft at night and under direct sunlight. 5The Micro USB charging port can charge for a long time when there is no solar energy in the rain, and you can use the general for Android mobile phone charging cable. The builtin temperature probe can reduce test errors.Condition:Item Type: Solar Car ClockMaterial: ABSProduct Color: BlackLight Color: Green, Blue, White, Red (Optional)Size: Approx. 12.5x8x3cm / 4.9x3.1x1.2inWeight: Approx.106g/3.7ozBattery: Builtin 370A lithium battery, 370 mahCharging Mode: Solar energy/Micro USBQuantity: 1pcsPackage List1 x Solar Car Clock1 x Instruction Manual1 x Double Sides Adhesive TapeNote1. Please allow 12cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.