1. Material: ABS high-brightness LED beads 2. No wiring required; built-in solar panel automatically absorbs sunlight and converts it into electricity, requiring no power supply. 3. Improves nighttime driving safety; high-brightness warning alerts following vehicles. 4. Automotive adhesive for non-destructive installation; strong double-sided adhesive ensures a firm fit without damaging the car paint. 5. Waterproof and sunproof; excellent lens seal prevents water ingress during wind and rain. 6. Independent adjustment button; press and hold in dark areas until the light illuminates, then release. If it doesnt light up, place it in direct sunlight for several hours to recharge and try again. 7. Dimensions: 8.5 x 2 x 2 cm
