The Everyday Carry Light 1 is an upgraded version of the best-selling EB1 Backup . Otherwise it s all about bold, in-your-face performance, with its high-output LED delivering 500 lumens of blinding white light on high and a useful 5 lumens on low. A Total Internal Reflection (TIR) lens shapes the virtually indestructible LED s light into a versatile beam with plenty of throw but optimized for situational awareness, essential in an everyday carry light. Features Highly versatile light serves as an everyday carry light or an improvised weapon light Virtually indestructible LED emitter regulated to maximize output and runtime Fully press tailcap switch for high output, and slightly press tailcap switch for low. Twist for constant on High-strength aerospace aluminum body, Mil-Spec hard anodized for extreme durability Body and tailcap are knurled for a secure grip Two-way clip permits light to be carried bezel up or down Includes one high-energy 123A batteries with 10-year shelf life