OWLEYE 1882-Super High Power 5 LED Rechargeable Li-ion Taillight Yellow. BE SAFE - BE SEEN ! OWLEYE 1882-Super High Power 5 LED Rechargeable Li-ion Taillight Yellow. BE SAFE - BE SEEN ! Super LIGHT WEIGHT & Super Powerfull LEDs, Designed for high-end road bikes ! Eco-Friendly: Using rechargeable power to light up, decrease pollution from mercury and other chemicals. It is quality with environment in mind: RohS compliant and CE certificated. Lasting: 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-bright digital IC-controlled Red NICHIA LED. Has 2 modes Steady & Flashing.