Fenix PD25 Flashlight Fenix PD25 is more powerful than such a tiny flashlight seems. Equipped with Cree XP-L LED and intelligent drive circuit, the flashlight produces 550-lumen stunning output from a 16340 rechargeable Li-ion battery. It's also compatible with CR123A battery. Besides, a tactical tail switch for momentary-on function, a metal side switch on the head are all you need to control five outputs including strobe mode. Features Utilizing Cree XP-L V5 LED with a lifespan of 50,000 hours Powered by one 16340 rechargeable Li-ion or 3V CR123A Lithium battery 93mm 3.7 in. Length 21.5mm 0.8 in. Diameter 47-gram weight 1.65 oz excluding battery Digitally regulated output maintains constant brightness Low-voltage warning function to remind you to replace the battery Reverse polarity protection, to protect from improper battery installation Over-heat protection to avoid high-temperature of the surface Anti-roll, slip-resistant body design Tactical t Fenix Flashlights Fenix PD Series 550 Lumens Max Output