1Built?in 500 mAh large?capacity lithium battery, high temperature resistance to meet the high temperature environment of the car's center console. Larger?capacity battery improves battery life when there is no sunlight. 2Illuminated font display, clearly visible during the day and night. Wide viewing angle, no blurring at a specific angle. 3?level brightness automatic adjustment function, automatically switching according to the intensity of the external light, clearly visible under different condition. 3Suppot solar charging and USB cable charging, free wiring, easy for installation, can be installed just by pasting, can bring you more convenience. 4Made of Abs material, is durable and wear?reistant, has long service life. Sophisticated production provides the higher quality, more stable work performance and better work efficiency. 5For general family car use, the car is often parked outdoors and often travels during the day. Solar energy is basically self?sufficient and that does not require additional charging.