ITEM NAME:13 Mode Solar Energy Auto Flash LED Car Wheel Tire Tyre Valve Cap Light Lamp Product Description Description: Descriptions: 1. Easy installation: just spin it on tyre valve cap; 2. Solar charging : lithium battery, no wire, no maintenance, no need to replace battery, high efficiency; 3. Silicone coated; anti-aging, anti-corrosive, good waterproof performance; 4. Smart control system: built-in vibration and light sensor, when car speed is over 25km/h in dark places, LED will automatically turn on; when less than 25km/h for 2 seconds, it will turn off. 5. Latest magnetic induction switch, no any physical contact, real waterproof design; Features: 1. Easy to install: just spin it on tyre valve cap; 2. Solar charging: no wires or batteries needed; 3. Light sensor control: when car is started in dark places, it will automatically flash and when car is.Easy installation: just spin it on tyre valve cap;. Easy to install: just spin it on tyre valve cap;. Silicone coated; anti-aging, good waterproof performance; 1 for each tyre;. Solar charging : lithium battery, no wire, no maintenance, no need to replace battery, high efficiency;.