4Sevens Quark AA&sup2;, S2 Flashlight; Black; 180 ANSI lumens; 2xAA LED Emitter: Premium Cree XP-G S2 T-6061 Aircraft-grade Aluminum Body, Type III Hard Anodized finish Impact-resistant glass lens with Dual-coating - sapphire coating on the outside and anti-reflective coating on the inside for optimal efficiency and durability. Powered by: 2 AA batteries (included) Output levels: Moonlight, Low, Medium, High, Max, Strobe, Beacon