This is a bicycle headlight that can be quickly installed on the bicycle handlebar, making it safer to ride at night. It can also be disassembled and used as a small flashlight, making it very suitable for night use. Features: Multiple light modes can be switched with one button, allowing you to choose the perfect mode based on different scenes. The antiglare cut-off light line design effectively prevents direct light from shining into the eyes and does not obstruct the view of pedestrians or drivers on the opposite side. The light is refracted through reflective panels, which can cover the blindspot of the front wheel and make cycling safer. Aluminum alloy material, waterproof and rust proof, sturdy and wear-resistant. Compact size and light weight, easy to carry and do not increase cycling burden. Can be installed on handlebars of different diameters, suitable for lots of bicycles. USB rechargeable design, you don't need to worry its battery. Specifications: Type: T6, L2 (optional) Item color: black Material: T6: rubber+aluminum alloy L2: PC+aluminum alloy Battery: T6: 3.7V, 1000mAh L2: 3.7V, 2500mAh Lumen: T6: 500lm L2: 1300lm Waterproof: IPX6 Item size: 128 * 31 * 30mm / 5.0 * 1.2 * 1.2in Package size: 155 * 124 * 47mm / 6.1 * 4.9 * 1.9in Package weight: 262g / 9.2ounce Packing List: 1 * Bike Light 1 * Bracket 1 * USB Cable