OrcaTorch D520 is a palm-sized diving light with a mechanically rotary switch. The rotary switch offers high reliability underwater. Using the USA CREE XM-L2(U4) neutral white LED, its max output can reach 1000 lumens, meanwhile the 5000K LED color temperature provides superb color rendition. Powered by one USB-C 18650 battery, its max runtime can reach 2 hours. Featuring * Max 1000 lumens output* Uses 1*18650/2*CR123A/2*16340 battery* Mechanically head rotary switch offers high reliability underwater* Reverse polarity protection, to protect from improper battery installation* Over-discharge protection function * Intelligent over-heat and over-discharge protection function * Water pressure resistant construction, depth rated to 150 meters * Reverse polarity protection, to protect from improper battery installation * Constructed from high-strength A6061-T6 aluminum * Hard anodized finish for durability and corrosion resistance * Two sides coated toughened glass with high water pressure resistance