Streamlight, Inc.: 434-inch-long light weighs less than eight ounces and is available in standard and rechargeable versions. Features 1057 articulating head. Primary BlackDot Krypton lamp provides spot-to-floodlight beam of up to 6,000 candlepower and up to 312 hours continuous use on four AA alkaline batteries; 212 hours per charge on rechargeable version. Backup safety lamp also provided. Snap-on helmet mount and optional elastic strap. (800) 523-7488.