EagleTac D25LC2 Clicky CREE XM-L U2 LED Flashlight - 741 Lumens 3 levels brightness and seven hidden modes (strobe, beacon, SOS, flash, etc) Battery: 2xCR123A battery, 2xRCR123A or 1x18650 li-ion. Batteries not included. Lumens: 850 / 557 / 69 / 7; Runtimes (18650): 1.5 / 2.4 / 25 / 150+ hours Smart clip design for forward or backward orientation clip position CREE XM-L2 T6 LED Neutral White