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LED quality can vary tremendously—even between virtually identical LEDs produced at the same facility, on the same line, on the same day. Unfortunately, not all flashlight manufacturers are as committed as SureFire to using only the highest-quality LEDs. So, when it comes to purchasing an LED flashlight from them, it can be a real caveat-emptor proposition, Latin for you could wind up with a sub-par LED light source. Rest assured that SureFire illumination tools contain only light emitting diodes that are SureFire worthy.

Durable, solid-state light emitting diodes are virtually unbreakable. There's no filament to burn out or break, no glass to shatter. Just a solid emitter mounted on a base and covered with a clear polymer for protection and focusing purposes.

Efficiency is an LED strong suit. They produce more light per watt than incandescent lamps. And unlike an incandescent bulb, an LED stays efficient as the battery runs down. It will continue emitting light, at lower and lower levels, long after an incandescent lamp would cease to emit light.

Variable output levels can be achieved from an LED by regulating the amount of current pumped through it. This means that, unlike an incandescent lamp, designed to run optimally at one output level, a single LED can provide multiple light output levels simply by varying the current. To change the white light output level of an incandescent flashlight, the lamp must be replaced with one that emits more or fewer lumens.

Longevity is where LEDs rule; they're designed to last up to thousands of hours. On the other hand, incandescent lamps can supply a lot of intense light output but don't last as long as LEDs.

HID Lamps—Maximum Output, Maximum Efficiency

Our high intensity discharge lamps use a clear quartz capsule filled with high-pressure xenon gas and metal halide compounds. Electrodes at both ends of the

Identical non-SureFtre Miniature lamps. LeFt lamp ts unuseo, rtGHt iamp shows runGsren OePostrs AFter several Hours of use.

Identical non-SureFtre Miniature lamps. LeFt lamp ts unuseo, rtGHt iamp shows runGsren OePostrs AFter several Hours of use.

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