Photon Micro Light II LED Light

This powerful key-ring light provides hours of continuous light-- bright enough to follow a trail in the deep woods. Its miniature size fits on key rings and zipper pulls, or can conveniently hang around your neck. Dual-function on/off switch--momentary squeeze-and-release switch, plus a new sliding on/off switch for prolonged, finger-free lighting. Made from strong, impact- and abrasion-resistant glass-filled polyurethane. Available in highly visible LED colors. White, Blue, Turquoise and Green are brightest, providing 12 hours continuous light on 2 lithium batteries (Green supplies 20 hours of light). Orange, Yellow and Red supply 120 hours of light on a single lithium battery. Includes replaceable lithium batteries; lithium batteries have a 10-year shelf life and are not affected by cold or heat. Certified for space flight by NASA.