The crimson trace laserguard pro is a powerful laser sight and led white light in a single compact unit.Its illumination and targeting product is activated with crimson trace's famed instinctive activation which activates the unit with a normal firing grip.The laserguard pro offers four modes of operation: laser + light laser only light only and laser + light strobe.The unit features a master on/off switch is completely user-installed in moments is adjustable for windage and elevation and offers two hours of battery life.Power Switch: On/OffWavelength: 515-532 nmDot Size: .50" @ 50 ftPower: 5mWRange: 50 ftBattery: CR2 LithiumLaser Color: GreenFirearm Fit: S&W M&P ShieldAdjustments: Windage & ElevationFinish: BlackMount Type: Trigger Guard