4Sevens/Foursevens Mini CR2/ MLR2 Black Finish / Cool White LED; 1XCR2; 180 Lumens LED: CREE XP-G R5 Max Output: 180 Out-the-front (OTF) lumens Material: Type-III Hard-Anodized Aircraft-grade Aluminum Lens: Optical-grade glass lens with anti-reflective coating on both sides Battery: One lithium CR2 (3V) Note: Please do not use rechargeable batteries Seven Output Modes: Low, Medium, High, Strobe, SOS, Beacon (Hi), Beacon (Lo)