Princeton Tec Quad Headlamp

Small, but still powerful! At a total weight of only 96 grams, the Quad ($30) is the lightest in Princeton Tec’s line of regulated-LED headlamps. Four ultra-bright LED’s power from inside a tough waterproof housing that will survive severe impacts and water submersions up to one meter. Weight conscious users will love the Quad’s sophisticated circuitry that allows the use of lithium AAA batteries

http://www.princetontec.com/