PRODUCT DESCRIPTION:This solar powered tail light for bicycles is the perfect answer to night time riding. Whether your long distance biking or watching the kids in the street every biker should own one for safety reasons.TECHNICAL SPECIFICATIONS:The use of high-intensity， high light transmittance of special tempered glass and high performance solar ultraviolet radiation-resistant TPT EVA sealing material， laminated together by professional equipmentThere��s no need to worry about running out of batteries �C just 2 hours of charge in the sunshine will give you 4 hours of constant light and 8 hours in flash modeAdd an environmentally-friendly glow to your bike with this solar powered， clamp-on LED tail light which has 3 modes: quick flash， flash and constant2 different flashing modes and 1 steady on settingSolar PoweredSize: 2.5�� /6.4cmMounting Placement: SeatpostAppearance color: Black + RedLight Color: Red LightLight Bulb: 2 LEDPackage Contents: 1 x Solar Powered Bicycle Tail Light