Features: 1. Solar energy automatically charge, the product uses high-efficiency solar cells. 2. Built-in lithium battery, the product uses large-capacity lithium battery, no memory effect, longer life. 3. Ultra-high brightness, the product adopts super bright chip LED, and the night driving has wide warning and decorative effect. 4. Intelligent opening function,the product adopts light control and micro-vibration sensing system,which automatically turns on when driving at night. 5. Intelligent shutdown function,the product adopts single-chip microcomputer,there is a delay to close the system,and it will automatically close after 30 seconds of parking or vehicle stationary state. 6. Adopting environmentally friendly new energy technology solar automatic charging system, charging through ultraviolet rays during the day. This product has its own photosensitive system, which is automatically charged during the day, and the light does not work during the day (except for rainy or foggy days). The system will automatically sense the light in the evening, and will automatically turn on when it detects insufficient light. No need to connect to the original car power supply. It can be used for about forty-five hours when the charge is full. 7. This wheel hub decorative light is a universal type, and most models on the market can be installed without disassembling the wheel hub. The installation process does not take five minutes, and the product can be installed by itself. The manual has detailed installation drawings and instructions to understand at a glance! 8. The research and development significance of this product is defined as: driving safety indicator and warning light. Such as night, rain, ice, snow, and foggy days can play a reminder and warning function, making the car safer to drive under the influence of bad weather. Specifications: Material: PC Color: As pictures show Applicable models: universal type Installation Notes: 1. Use a small slotted screwdriver to remove the original wheel hub. 2. Use a caliper or a common measuring tool to measure the diameter of the original car"'"s leg diameter. 3. Use a screwdriver to loosen the pin diameter positioning screw of the product. 4. Adjust the required diameter according to the original measured diameter of the card foot. The four feet need to be adjusted at the same time to keep the center of the four feet of the product symmetrical. After the adjustment is completed, tighten the screw. 5. Use a caliper or a common measuring tool to measure the height of the original car"'"s leg height. 6. Install the positioning buckle according to the original measured height of the card foot, and the four positioning buckles maintain the same height. 7. The circlip is clamped on the inner side of the four feet to the middle of the two feet to ensure the flexibility of the foot. 8. Push the product into the original car position of the wheel hub. 9. Cover the light, press and hold the switch for 3 seconds to turn on the product, and the whole installation is complete.