Features: 1. Output bright can come to max 20000 lumens. 2. Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent. 3. Waterproofing design. 4. Adjustable base is provided for each head lamp, with back and forth inclination. 5.Model of Battery required: 2x 18650 3.7v.
Package Included: 1 x Headlamp(Batteries are not included)