The 4708B USB rechargeable adjustable beam headlamp is 1000 lumens of powerful LED light. With a waterproof aircraft-grade 6061-T6 aluminum housing this sleek headlamp is as durable as it is convenient. Use the low-profile ratchet tilt head to place light where needed while adjusting between 4 lighting modes (High/Med/Low/Strobe). - Charging takes place inside of the light so the built-in waterproof micro-USB port has a small battery voltage monitor with a RED/GREEN LED charging indicator for easy reference. Also included is a 2 foot USB to micro-USB cord along with lithium-ion rechargeable battery. - Features - LED technology - 3 brightness levels plus strobe - Aircraft-grade 6061-T6 aluminum housing w/Type III hard anodized finish - Single switch located on side of the light - Adjustable ratchet tilt head - Adjustable elastic head strap - IP-X7 Waterproof - Chemical Heat and Impact resistant - 2' Male USB (Type A) to Male Micro-USB (Type B) Cable (included) - Powered by a rechargeable Li-ion battery (included) - Limited Lifetime Warranty