4Sevens Preon 1, 4Sevens Blue, R5 Edition
LED: CREE XP-GMax Output: 70 Out-the-front (OTF) lumensMaterial: Hard-anodized Aircraft-grade AluminumLens: Optical-grade glass lens with anti-reflective coating on both sidesReflector: Light orange-peel texturedWater resistance: IPX-8Battery: One AAA, included (see voltage range to select acceptable batteries for this light)Operating Voltage Range: 0.9V-3.0VSeven Output Modes:Low: 1.8 OTF Lumens, 23 hoursMedium: 8.5 OTF Lumens, 6 hoursHigh: 70 OTF Lumens, 0.8 hoursStrobe 1.6 hoursSOS 2.4 hoursBeacon (Hi) 8 hoursBeacon (Lo) 40 hoursDimensions:Length: 2.95 inchesDiameter: 0.55 inchesWeight: 0.6 ounces