The 4th Generation Triad delivers a mind-numbing 265 lumens of intense light powered by two 3V lithium batteries providing the user with 90 minutes of worry-free use. ASP thought of everything from the waterproof exterior and foam grip to the self-cleaning computer micro switch and advanced heat dissipation feature, all the way down to the built-in thermal management technology that helps keep this Triad cool to the touch. The unique multiposition clip enables the carrier to secure the light in various positions, making this flashlight a great choice for those who demand high performance from their gear.