EyezOff USB Rechargeable LED Bicycle Headlight (3 Watt 150 lumen LED) Black Super bright headlight LED (150 lumens, 3 Watts) with 4 settings: Super Bright / Boost / Constant / Flashing Durable waterproof aluminium casing Direct USB charging: Plugs straight into a USB port, no need for messy USB cables High-capacity rechargeable Li-ion battery, battery life up to 18 hours Easy installation: Includes tool-free bracket and straps for easy mounting on handlebars or helmet