Nitecore HC90 900 Lumens CREE XM-L2 LED USB rechargeable headlamp with secondary RGB LEDs bundled with Two EdisonBright CR123A Lithium Batteries.

Nitecore HC90 is a USB rechargeable extremely bright lightweight headlamp. Operates on one rechargeable 18650 battery or 2 X CR123A Lithium batteries. Features middot; Purpose-designed for hiking, climbing, camping and general outdoor recreation middot; True variable output with a unique 'infinitely variable' sliding switch middot; USB rechargeable / powered by 1 x 18650 lithium-ion battery middot; Aluminum "unibody" construction is highly rugged and provides excellent cooling performance. middot; High-efficiency circuit provides up to 200 hours of runtime on low middot; Third generation sliding control switch (patented) permits rapid and accurate mode switching / brightness adjustment with the use of one hand. middot; Intelligent li-ion battery charging circuit (integrated micro-USB charging port) middot; A custom catoptrics-based system produces an extremely wide 100deg;beam angle middot; Unique light housing can be rotated wide range preventing illumination dead zones. middot; Integrated temperature sensor and intelligent temperature control ensure stable and safe operation. middot; High-efficiency regulation circuit provides unwavering output as battery life diminishes middot; Toughened ultra-clear mineral glass with anti-reflective coating middot; Constructed from aero-grade aluminum alloy middot; Rugged HAIII military grade hard-anodized finish middot; Comfortable chafe-free and breathable nylon headband middot; Waterproof in accordance with IPX-8 (two meters submersible) middot; Impact resistant to 1.5 meters middot; Tail stand capability Dimensions Length: 90mm (3.39") Head Size: 70mm times; 22mm (1.26") Weight: 135g (4.59oz)(without battery) Accessories USB cable, spare port plug and O-ring This bundle include two EdisonBright CR123A lithium batteries