Features:1. Lamp beads: high brightness 8000 lumens, lifespan 100,000 hours;2. Eagle Eye convex lens: Acrylic Eagle Eye convex lens, which makes the light more focused and long-range, and the aluminum attack head protects the lens from abrasion;3. DC charging hole: charging hole on the head, it can only be quickly charged when connected to the power source, which extends the battery life;4. High quality headlight strap: flexible lightweight belt design, you can adjust the appropriate size according to your own head size;5. Telescopic focus: head telescopic focus design, free adjustment of astigmatism-condensation conversion, easy to handle in various environments;6. Angle adjustment: the head can be adjusted up and down according to its own needs, which is simple to operate, easy to use and convenient for work lighting;7. Three kinds of waterproof switches are optional: rubber non-slip waterproof switch, soft material, comfortable to touch, three gears: strong-low-flashing.[Lens material]: Convex optical lens[Lens gear work]: 3 gears[Applicable battery]: 2*18650 [High capacity battery]Lumens: 8000 lumens[Product material]: aluminum alloy[Working voltage ]: 3.7V[Product color]: black[Can charge directly]: Yes[Whether to focus]: Yes, telescopic focus[Product weight] : 185g