4Sevens Quark 123 Tactical, R5, Flashlight; Black; 205 OTF Lumens; 1xCR123A LED Emitter: Premium Cree XP-G R5; Maximum Output: 205 OTF 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. Powered by: 1 CR123A battery (included) Seven output modes: Moonlight, Low, Medium, High, Max, Strobe, Beacon