Quark 123&sup2; Turbo, Satin S3, Flashlight; Titanium; 200 lumens; 2xCR123A LED Emitter: Premium Cree XP-G S3, Powered by: 2 CR123A batteries (included) Material: Titanium 5 Current Regulated Output Levels, 3 Flash modes: Strobe, SOS, Beacon Momentary Activation Impact-resistant glass lens with Dual-coating - sapphire coating on the outside and anti-reflective coating on the inside for optimal efficiency and durability.