SureFire M3LT-B Dual-output LED CombatLight - 1000 Lumens Illuminate the Night. The Surefire M3LT-B CombatLight 1000 lumens LED Flashlight blends the best in lenses with the best in bulbs. The Surefire M3LT-B CombatLight's Turbohead TIR lens helps produce a powerful, focused beam up to 1000 lumens. The 4-die LED emitter prevents breaks and burnouts with superior design and durability compared to most incandescent lights. With up to 9.5 hours of useful running time, the SUREFIRE M3LT-B CombatLight 1000 lumens LED Flashlight meets all lighting and illumination needs. Turbohead TIR Lens Technology Focus your Vision. Every Surefire M3LT-B CombatLight 1000 lumens LED Flashlight utilizes a Turbohead TIR lens. Unlike reflector lenses, TIR lenses direct light, sharpening its power and vision. The Surefire M3LT-B CombatLight's casts the sharpened power of up to 1000 lumens on anything and everything, with little light wasted. In any situation, the Surefire M3LT-B CombatLight LED Flashlight continues to be the preferred choice of life-saving equipment. Backed by Surefire's No-Hassle Guarantee, it is clear that the Surefire M3LT-B CombatLight is the preferred tactical light choice in any emergency situation Precision Refine the Dark. With extreme needs, employees of the FBI, U.S. Special Operations, and U. S. Search & Rescue teams have come to rely on the Surefire M3LT-B CombatLight 1000 Lumens LED Flashlight daily in their work. Backed by Surefire's No-Hassle Guarantee, it is clear that the Surefire M3LT-B CombatLight is the only necessary choice for those needing precision, protection, and illumination Features: Virtually indestructible 4-die LED emitter regulated to maximize output and runtime Two output levels - high for maximum light, low for extended runtime Turbohead TIR lens produces tight, extended-reach beam High-strength aerospace aluminum body, Mil-Spec hard-anodized for extreme durability CombatGrip for secure hold in all conditions Coated, tempered window resists impact and thermal shock, maximizes light transmission Two-stage tactical tailcap switch - press for momentary-on low, press further for high, twist for constant-on at either level Weatherproof - O-ring and gasket sealed Includes high-energy CR123A batteries with 10-year shelf life Specifications: LED: High 4-die LED Output mode/Runtime: High: 1000 lumens/1.75 hrs Low: 100 lumens/9.5 hrs Weight: 10.9 oz. (With Batteries) Dimensions: Length: 8.70 in. Bezel Diameter: 2.50 in. Body Diameter: 2 in. Runs on:3x 123A (Included) Please Note: This item cannot be exported from the USA. The only exception is for APO/FPO and similar addresses with a US zip code.