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 18650 battery, its max runtime can reach 2 hours. Plus robust water pressure resistant construction, high portability and easy operation, D520 would be qualified for both recreational diving as a primary light and deep diving as a backup light.