Quark MiNi CR2, S2 Flashlight; Titanium; 193 OTF lumens; 1xCR123A LED: CREE XP-G S2 Max Output: 193 Out-the-front (OTF) lumens Material: Polished Titanium Battery: One lithium CR2 (3V) (TWO batteries included!) Seven Output Modes: Low, Medium, High, Strobe, SOS, Beacon (hi), Beacon (lo)