Description Featuring * Cree XM-L2(U4) LED, max 1000 lumens output * Uses 1*18650/2*CR123A/2*16340 battery * Mechanically head rotary switch offers high reliability underwater * Water pressure resistant construction, depth rated to 150 meters * Reverse polarity protection, to protect from improper battery installation * Over-discharge protection function * Constructed from high-strength A6061-T6 aluminum * Mil-Spec Type III hard anodized finish for durability and corrosion resistance * Two sides coated toughened glass with high water pressure resistance under deep water
