The T13 is a compact single-mode handheld light that uses an 18350 Li-Ion battery. The T13B is 5700K color temperature, 80,000 candela. T13C is 6500K color temperature, 1600 lumens.IP67 protection standard, waterproof and dustproof, anti-recoil. T13 is a modular design, the light head and body and t..