Specs:
* Dimensions: Headlamp:Length: 3.62 in / 92 mm x Width: 2.20 in / 56 mm x Height: 1.73 in x 44 mm
* Battery Case: Length: 4.21 in / 107 mm x Width: 1.97 in / 50 mm x Height: 1.61 in / 41 mm
* One Li-polymer battery pack (included) or 3 AAA batteries (not included)
* Weight: 15.41 oz / 437 g including battery and headband
* Waterproof/Dustproof: IP66, dustproof/rain/splashproof
* Battery Type: Two included 21700 rechargeable li-ion batteries

Features:
* One XHP50 white light LED, two XP-G3 S4 neutral white light LEDs; with a lifespan of 50000 hours
* Includes two 5000mAh Li-ion batteries
* Integrated die-casting ensures security and better heat dissipation
* Rotary switch simultaneously activates spot- and floodlight modes
* Dual interface for charging and discharging capability
* Dual methods for wearing the battery case; can be clipped on the headband or worn on a belt
* Made of durable A6061-T6 aluminum
* Premium type HAIII hard-anodized anti-abrasive finish

Included:
* Two Fenix ARB-L21-5000 Li-ion battery, USB Type-C charging cable, Four helmet attachment hooks, Three cable clips, stainless belt clip, extension cable, spare O-ring