Tek-tite part# ED0004-R2TE 831972000244 2R4000 SeaRay-4, Hi-Power LED Tek-tite OW 240 lumens! 5-Watt LED Dive Light Computer machined from a solid bar of Aluminum, the SeaRay-4 is a compact dive light powered by an ultra-bright LED. NOW 240 lumens! 5-Watt LED Dive Light Computer machined from a solid bar of Aluminum, the SeaRay-4 is a compact dive light powered by the ultra-bright Cree XRE LED. This 5-Watt LED dive light produces 240 Lumens of solar-quality white light that is equivalent to more than 150 regular LEDs. Special 6 deg. narrow-beam optics allow the SeaRay-4 to cut through murky water with minimal back scatter. The 5,500 K color temperature of the SeaRay-4 is solar-quality, allowing for accurate color rendition regardless of depth. This palm-size light will easily fit into the smallest BC pocket. Double O-ring seals give this waterproof light an underwater depth rating of 500 feet (150 m). Includes, at no additional charge, glare guard and cushioned wrist lanyard. Specifications Depth Rating: 500 feet (150 m), IP68M Lamp: Cree XRE LED Lamp Life: 10,000+ hours Burn Time: 2 hours at full power Batteries: 2 - CR123A Lithium (included) Power: 240 Lumens CE (European Union compliant) Materials: Anodized Aluminum and LEXAN Individually serial numbered U.S. Patent #6,168,288 Dimensions: Length: 5", Head diam.: 2.125", Body diam.: 1" Made in the U.S.A. (complies with the "Buy American Act", may contain imported components). Lifetime factory Warranty