The Everyday Carry Light 1 is an upgraded version of SureFire's best-selling EB1 Backup(R). 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 lightVirtually indestructible LEDFully press tail cap switch for high output, and slightly press tail cap switch for low