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]: 2x18650 [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