Rainproof after normal installation, suitable for heavy rain but not immersion in water. Shockproof and sunscreen, designed for professional outdoor sports. Easy to check time, temperature, day, week, month, and year. Solar-powered with automatic charging during the day, no battery replacement needed. Automatic backlight activation in dark environments while driving. This product can be used in cars, motorbikes, motorbikes and other products. In a dark environment, when the vehicle is driving, the backlight automatically turns on. In the daytime or in a strong light environment, the backlight automatically turns off. When the product freezes, please push the switch on the back of the product to turn it off, and then turn it on again after a few seconds. Color: Blue Material: ABS Package Contents: 1*Display Clock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.