The newest handheld lights from Princeton Tec are inspired by decades of experience creating lights for the most demanding users. These lights have a heart of metal, wrapped by an outside made of the highest quality injection molded polymers. The T1 is powered by a single CR123 cell, blasting out 250 lumens in a focused spot beam pattern. The tail cap switch is conveniently located; tap for momentary light or press for constant light. The 1 diameter makes this light compatible with many available mounts on the market. Weighs 90 g. with batteries. Max Lumens 250 Max Burn Time 1 hour, 15 minutes Water Resistance IPX7 Power Source 1 CR123 Included The newest handheld lights from Princeton Tec are inspired by decades of experience creating lights These lights have a heart of metal, wrapped by an outside made of the highest quality injection mol The T1 is powered by a single CR123 cell, blasting out 250 lumens in a focused spot beam pattern