Fenix PD22 Flashlight Operates on one CR123A battery (not included). LED Type: Cree XP-G S2 Output: 190 Lumens Turbo / 95 Lumens high / 46 Lumens med / 8 lumens low Runtime: 97 hr low / 10 hr med/ 4 hr 32 min high / 2 hr turbo Adjust Level: 1