Bright and Durable
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I have beat the, uh, you know what, out of this light and it still works great. This is an extremely bright light for a small package, and a great alternative to a heavy, bulky light cannon.
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Tektite Trek 400 EX40 L.E.D. Light:
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CSI TREK EX40 CSI TREK EX40Zoom The Trek™ EX40 provides LED power in a case that's comfortable to carry and use. 40 LED array provides powerful coverage. Originally designed for underwater video use the EX40 is a very reliable flashlight that has medium-flood beam with no hot spots. The 40 LEDs operate on 4 C-cell batteries for 4-5 hours at full power with many more hours of light output. Double O-ring seals give the EX40 a depth rating of 300 feet (100 m). Comes with an adjustable, cushioned wrist lanyard. Available in 4 specific wavelengths and white, see below for Wavelength uses: WHITE: General-purpose illumination and Fingerprint search. GREEN 525nm: Body fluids, Night running. BLUE-GREEN 505nm: Body fluids, Traffic control lights. BLUE 470nm: Blood detection, NSR adhesive curing, night vision preservation, Biofluorescence. UV 395nm: Urine and pet stains, invisible UV ink fluorescence (hand stamps, nightclubs), ID/currency verification (UV watermarks), artwork/antique alteration checking. Specifications Depth Rating: 300 feet (100 m), IP68M Lamp: 40 LEDs Lamp Life: 10,000+ hours Burn Time: 4-5 hours at full power Batteries: 4 C-cell Alkaline (included) Power: 275 Lumens (white; colors vary) Materials: ABS and LEXAN® Dimensions: 6.25' (16 cm) L x 2.9' (7 cm) W Weight: 1.0 lbs. (0.45 kg) CE (European Union compliant) U.S. Patent #6,814,463 Made in the U.S.A. (complies with the 'Buy American Act', may contain imported components.) Lifetime Warranty P/N 4C-4800-4