... Headlamp; 2,CREE Q5 LED,220Lumen; 3,Aluminum Head; 4,18650 Lithium Battery; 5,CE&RoHS. 3W ... for a longer runtime.* Rugged aerospace-grade aluminum head, Typed III hardest anodized in black.* Toughened ultra ... requirements.The lamp has 3 battery options, lightweight head-mounted 2.2A/h pack (standard), battery belt-packs ... which is fitted on the back of the head strap, this will operate for 2hrs on high ...