This super-bright headlight provides hands-free convenience. The light offers an easy fit with the adjustable head strap. The rotating light allows the user to direct light exactly where needed. Three illumination modes offer the ideal amount of light for any job in any setting. Product Specifications Lumen: 200 Equivalent to 2W incandescent Color Temp (CCT): 6000k-7500k Daylight Battery Operated: 2x18650 li-batteries(not included Material: Aluminum alloy Size: 5x4x4 Inches (12x11x10cm) Illumination Modes: Bright-Dim-Flashing LED Lifespan: 50,000 - 100,000 Hours (will vary on usage amount and mode)