Crimson Trace Green Laserguard For Smith Wesson M&P Shield with Pocket Holster - LG-489GH Green Laser Sight and IWB Holster Bundle for Smith & Wesson M&P Shield Activation Location: Front Activation Attachment: Trigger Guard Activation Mode: Pressure Activated Sighting: Factory Sighted at 50' Class IIIR Laser Product:  5mW power output