Owleye Twinpack Solar Powered LI-ion Rechargeable LED Headlight & Taillight Set Red. BE SAFE - BE SEEN !! Owleye Twinpack Solar Powered LI-ion Rechargeable LED Headlight & Taillight Set Red. BE SAFE - BE SEEN !! Eco-Friendly: Using renewable solar power to light up, decrease pollution from mercury and other chemicals. It is quality with environment in mind: RohS compliant and CE certificated. Durability: Sturdy, water-resistant (JIS IP55 Standard), elegant hard case protects the headlight's innards against the bumps and bangs, good for cycling in all weather conditions. Super Small, Super LIGHT WEIGHT & Super bright LEDs. Quick Installation with hassle-free, tool free adjustment.