DescriptionThis item is a bike headlight, manufactured with qualified aluminium alloy material for durable and long-lasting use.Bright light can ensure your safety when riding at night.Can be charged with battery. Also withsmooth surface, no burr, stable longevity.Features-Color: Black-Material: aluminium alloy -Size: About 9.6X3X3cm/3.77X1.18X1.18in -Brightness: 400 lumen -Distance: 200M -Charging modle: USB -Battery capacity: 2000mAH - Adopt L2 beads with high brightness and long range. - Premium material for safe cycling, really reliable and trustworthy.- Can also be used as a kind of flashlight, very useful.- Built-in rechargeable battery, rechargeable . - Aluminum alloy has better heat dissipation.