Providing a decisive targeting advantage in low light, the lms-rmsr flawlessly integrates with the sleek lines of the sr series pistol frame and offers an integral picatinny rail for the attachment of a tactical light.The bright red aiming point gets you on target fast.It is user programmable for constant or high viz pulse mode.The ambidextrous tap on/off will time out after ten minutes to preserve power.The custom styling mimics the firearm and has an accessory rail.Power Switch: Ambidextrous On/OffWavelength: 650 nmPower: 5mWWeight: 0.50 ozBattery: CR1/3N 3VLaser Color: RedFirearm Fit: Ruger SR SeriesAdjustments: Windage & ElevationFinish: BlackMount Type: Rail