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Reviews
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236
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5.27.2004
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Description:
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The Surefire L4 LumaMax L.E.D. light is constructed of aerospace grade aluminum with a rugged military specification hard-anodized finish, and powered by two lithium batteries (10-year shelf life). The L4 LumaMax features a five-watt LED (Light Emitting Diode) and the extended runtime typical of LED flashlights. With a maximum light output of 65 lumens, the L4 is the first LED flashlight bright enough to qualify for tactical use. The L4 is equipped with a new click-on/click-off tailcap pushbutton switch that gives the user the tactical advantage of momentary activation or the convenience of a constant-on click switch in a single switch. The L4 also features digital current regulation circuitry to match the LED's current requirements with the battery's output to maintain a more consistent level of light output for the useable life of the batteries (as opposed to unregulated lights, which are subject to a steady decline in light intensity beginning shortly after activation).
The L4 produces 65 lumens of light output for over an hour and useful light for over three hours. Unlike most LED flashlight manufacturers -- who inflate the light output and usable runtimes of their LEDs -- SureFire provides realistic output and runtime specifications based on scientifically obtained measurements. Although any LED -- including those produced by SureFire -- can continue to produce negligible light output for over 100 hours, the amount of useful light produced is of a shorter duration.
Features:
Battery - Two lithium 123A 3.0 Volt with 10-year shelf life
Output/Runtime - Maximum output of 65 lumens for one hour, followed by over three hours of useful light.
Construction - CNC machined aerospace-grade aluminum. Hard anodized finish for extreme corrosion and wear-resistance. O-ring sealed, Pyrexฎ lens, removable stainless steel pocket clip
Length and weight (with batteries) - 5 inches / 3.5 ounces
Flawless beam, no dark spots or rings
LEDs available in white
Patented lock-out tailcap feature allows the light to be locked in the off position to prevent unintentional activation during storage or transportation
Weatherproof and lightweight
No Hassle Lifetime Guarantee: If it breaks, we fix it!
Available in: Type III Hard Anodized
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Statistics
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