The E2D Defender Ultra LED Flashlight from SureFire is a dual-output LED light with an enhanced self-defense design. It features a 1.125" diameter crenelated strike bezel and scalloped tailcap shroud for personal protection. The push-button tailcap switch offers access to the 1000-lumen high and 5-lumen low settings. SureFire's Total Internal Reflection (TIR) lens produces a pre-focused beam that has a tight center cone of bright light, with a dimmer ring on the periphery to help maintain situational awareness. Designed for durability, the light features a Type III anodized aluminum alloy body.