Strauss Bicycle LED Headlight with Horn and Bicycle Solar Tail Light Bicycle light item type: bicycle headlight material: abs, function: lighting bicycle warning bell, light type: led quantities: 3pcs, brightness: 20lm Bicycle light Detachable and adjustable headlamp bracket design convenient for installation suitable for most of bicycles Solar powered the solar bike light full charged needs 4 hours(sunlight) and work for 6-8 hours. Easy to install and remove - lights are simple and fashion, very easy to install and remove without involving any tools Solar power, energy saving, environment friendly with 3 modes of light, slow flash, quick flash, steady light Easy to install and remove - lights are simple and fashion, very easy to install and remove without involving any tools