OrcaTorch D520, a mid sized diving light. Offering a simple, and reliable rotary switch design. Featuring a bright 1000 lumens output from the Cree 5000k LED. Powered by a single rechargable 18650 battery with up to a burntime of nearly 2 hours. Battery charging protection is built in. Tested down to 150 meters depth, with a diamond grade anodized Aluminum body, the D520 is clearly designed to be seen, and to last. Searching for a new dive light? The ORCATORCH D520 is a great contender! Palm-sized diving light with a mechanically rotary switch. Simple to operate with less to go wrong. 1000 lumens of performance from the Cree LED, with up to 2 hours burn-time from a single rechargable battery (included). Depth rated to 150 meters, and featuring the expected battery electronic protections. Features: * CREE XM-L2(U4) neutral white LED (5000k), its max output can reach 1000 lumens, * 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 * Aircraft-grade high strength aluminum material * The latest diamond grade hard-anodized seawater-corrosion-resistance finish * Alloy aluminum reflector with professional optical analysis