R5 350Lm 100m Diving LED Light l 50000 life span CREE XP-G R5 LEDl Electrodeless magnetic control switchl 350 max luminous fluxl Good condensing smooth reflectorl 250m max range (on land)l Constant circuit constant brightnessl Power by 1*18650 / 18700 / 2*CR123A batteryl Ordinary anodized Aluminum embedded POM body, anodized aircraft 6061 aluminum headl Amphibious 100m deep diving sealed compression resisted designl Safety switch designl 5mm toughened glassl 3.7 7.0V voltage rangel 198g net weight:l 44.77mm(head dia) * 30.00mm(body dia) * 143.50mm(length)l Lanyard, package attached