4Sevens Quark AA&sup2; Tactical, S2, Flashlight; Black; 180 Lumens, 2xAA LED Emitter: Premium Cree XP-G S2, Maximum - 180 ANSI lumens; Moonlight - 0.6 ANSI lumens 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. Two AA Batteries (0.9V~4.2V total) Output modes: Moonlight, Low, Medium, High, Max, Strobe, Beacon