Electronic Power Regulation

The electric power industry is transitioning from highly regulated, local monopolies which provided their customers with a total package of all electric services and moving towards competitive companies that [...]

flashlight fish

any of three species of fishes in the family Anomalopidae (order Beryciformes), characterized by the presence of luminescent organs just below the eye. They are among the few species of non-deep-sea fishes to possess such organs. Phosphorescent bacteria create the light continuously, but each species has its own mechanism for decreasing the luminescence; when swimming, [...]

Flash Light Rifle

THIS 12.7 X 48MM SUPPRESSED RIFLE IS DEAD SILENT!! WHEN YOU PULL THE TRIGGER YOU HEAR A “TICK”, AND THEN “BOOM” DOWN RANGE. UNSUPPRESSED, IT IS NOT MUCH LOUDER THAN A .45 ACP. THE CARTRIDGE TRAVELS AT 980 FT/SEC AND OFFERS ALMOST NO RECOIL, MAKING IT A VERY COMFORTABLE RIFLE TO SHOOT, UNLIKE OTHER 50 [...]

Surefire flashlights are professional illumination tools.

Surefire flashlights are sure to meet your most demanding requirements. There are Surefire flashlights for personal safety and self-defense as well as emergency / disaster preparedness. In addition, there are specific Surefire flashlights for work-related needs, backpacking, hunting, and camping as well as for general all-purpose work.
Pick the Surefire flashlights that are best for you.
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The Replacement Bulb

The info I had about the bulb claimed it “worked on 4V”. I decided to measure the Vf at a few different current levels to be sure. It turns out to drop about 3.4V at 15mA. I used a 110 ohm resistor which should yield around 25mA with fresh batteries. As the batteries die [...]

Flashlight Review: Surefire G2 LED Flashlight

The Surefire G2 LED flashlight is perfect for outdoor use or just to have lying around your home in case of emergencies. The flashlight offers a maximum output of 80 lumens and can provide up to 12 hours of light. You can find the Surefire G2 for an average price of $60. Let’s take a [...]

Flashlights & Spotlights

Galls is the place for dependable emergency flashlights. We offer the widest selection of tactical flashlights, duty flashlights, spotlights, general purpose flashlights, mini flashlights, full size lights, compact flashlights, LED flashlights, rechargeable flashlights, batteries, chargers and replacement bulbs. Our commitment to quality and value ensures the products you purchase from us provide superior performance [...]

Best Flashlights – Surefire – Garrity – Maglite

Our goal is simple: to provide an easy way for flashlight fans to browse through some of the greatest vintage flashlights to ever hit the planet and to check out some of the up and coming high-tech models. We add flashlights to our website when we receive them at our museum, so be sure to [...]

P60L LED Assembly

P60L LED Assembly

Surefire Flashlight Resources

Light emitting diode/reflector assembly that converts a SureFire 6P, 9P, G2, G3, G2Z, C2, C3, Z2, Z3 or D3 — any flashlight that uses a P60, P61, P90, or P91 incandescent lamp assembly — into a longer-running (and higher-output when replacing a P60 lamp assembly) LED flashlight. The P60L’s solid-state LED [...]

SureFire U2 Ultra Variable Power LED Flashlight

The SureFire U2 Ultra Variable Power LED Flashlight has a 5-watt LED and six selectable levels of brightness, ranging from 2 to 100 lumens. The brightest setting is multiple times brighter than my large Maglite flashlight.

The U2 Ultra tailcap switch can be pressed for momentary-on and pressed further to click constant-on. A set of batteries [...]