Light output: High - 196 lumens; Low - 27 lumens Beam distance: High - 193 meters; Low - 68 meters Pure Beam™ Focusing Optic System and Cyclone™ Heat Sink System Stainless steel casing; Impact and water resistant High, strobe, and low output modes The stainless steel A25 flashlight is not only great looking, it is also very durable and easy to clean. A favorite of mechanics, technicians and other professional users who demand the highest quality tools that won’t let them down. Coast"s Pure Beam™ Focusing Optic System with Fingertip Speed Focus Control™ provides superior beam consistency from spot to flood, with no dark rings typically associated with focusing flashlights.