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. 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 x 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