Designed to securely attach to the rail and trigger guard of 1911 non-rail firearms.Designed to securely attach to many non-rail 1911 handguns including: KIMBER Colt Ruger and Smith and Wesson, Sig Sauer, Para USA, Remington, Springfield ArmoryUltra- lightweight and compactBatteries can be replaced while light remains mounted on gunNo need to resight laser after battery changeWindage and Elevation adjustment screws mounted in brass bushings for long life and dependable zero retention of laserOperating temperature: -20AdegF to +120AdegFIPX4; water resistant; 1m impact resistance testedOperating temperature: -20AdegF to +120AdegF.IPX4; water resistant; 1m impact resistance testedSerialized for positive identificationC4 LED delivers 100 lumens; 2,000 candela; 89m beamRuns 1 hour (LED only or LED/Laser combo)Laser only function runs 11 hoursFeatures a 10 minute auto shut-off to conserve batteriesOptimized electronics provide regulated intensityParabolic reflector produces a balance of beam and peripheral illuminationRemovable cover makes the light easy to attach/detachWindage and elevation adjustment screws mounted in brass bushings forlong life and dependable zero retention of laserOperating temperature: -20Adeg F to +120Adeg FDurable, impact-resistant polymer construction; IPX4 water-resistant1m impact resistance testedSerialized for positive identification2.20" (5.88 cm)1.12 oz. (32g) - 1.16 oz. (32 grams) with batteries, depending on modelLimited lifetime warrantyVisit www.streamlight.com for full warranty information