Adjustable base is provided for each head lamp, with back and forth inclination
Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent
Waterproofing design(Battery no included in the package,but include 1x Special "smile face"USB charger line)
Features: Rechargeable Headlamp Ultra Bright Cree XM-L T6 Headlamp Aluminum alloy flashlight, elastic head strap Output bright can come to max 5000 Lumens(lm) Suitable for hiking, camping, hunting, night riding, caving expedition etc. BATTERIES NOT INCLUDED