1. Material: aluminum alloy 2. Intligent sensing technology 3. adjustment of lighting angle 4. Power source: USB charging 5. Light source form: LED 6. Maximum range: 100-200 meters 7. Lamp bead mod: CREE-Q 58. Working gear: 5 gears strong-weak-flashing-waved induction 9. Applicable battery: 1000 mAh built-in battery 10. Working voltage: 3.7V 11. Power: 5W 12. Lamp beads: CREE-Q5 lamp beads, strong long-range ability, wide irradiation range, long battery life 13. USB charging hole: head charging hole, connect to the power supply can only be charged quickly, prolong battery life 14. Headlight bt: flexible light bt design, you can adjust the appropriate size according to your own head size 15. Angle adjustment: the head can be adjusted up and down according to its own needs, simple operation, easy to use, convenient for working lighting 16. Rubber non-slip waterproof switch, soft material, comfortable hand feing 17. Headlight size: 57x35x25mm 18. Product weight: 35 grams