Show Your Fangs. The E2D Defender Ultra is a superlative everyday-carry tactical light. Machined from aerospace aluminum every Defender body incorporates a crenellated Strike Bezel and scalloped tailcap that turn these robust illumination tools into formidable weapons just the thing for when a thorny situation can't be solved by photons alone. Its intense 1000-lumen beam delivers a crucial tactical advantage by providing blinding white light to disrupt an attacker's night-adapted vision. Focused through our TIR lens it provides a far-reaching beam for positive threat identification plus plenty of spill light to help you maintain situational awareness. The Defender is engineered to take a beating-or even give one if it's necessary to save your life.Features: Virtually indestructible LED is regulated to maximize output and runtime Choose between 1000 lumens of intense high output or 5 lumens of low output for map reading and other tasks TIR lens produces a tight beam with significant reach and enough surround light for peripheral vision Mil-Spec Hard Anodized for durability and corrosion resistance Crenellated Strike Bezel and scalloped tailcap provide enhanced self-defense capabilities Includes high-energy 123A batteries with 10-year shelf life Dual function stainless steel clip for bezel-up or bezel-down pocket storage Note: The E2D Defender Tactical is single output only; optimized as an everyday carry fighting light Note: The E2D Defender Ultra is dual-output; a versatile everyday carry light with a fighting edge