LG-429M laser sights for Sig Sauer P228/P229 semi-automatics offer the waterproofing that U.S. Navy SEAL teams have come to depend on as well an aggressive grip texture that functions well with or without gloves. This front-activated model for the venerable Sig Sauer P228/P229 brings Crimson Trace's latest Lasergrip features to this international military law-enforcement and civilian pistol. The LG-429M incorporates a smaller diode housing for greater holster compatibility and improved handling for left-handed shooters. - Platform Lasergrips� - Material Polymer - Attachment Grip Replacement - Activation Location Front Activation - Sighting Factory Sighted at 50' = Master On/Off Switch Yes - Battery Type Two #2032 Batteries - Laser Battery Life Over Four Hours - Laser Output 5mW Red Laser - Activation Mode Pressure Activated - Laser Visibility Approx .5 Inch Diameter at 50 Feet - Wrench Size 0.05 - User Adjustable Windage and Elevation - Finish Polymer Grip with Rubber Overmold Activation Pad - Installation User Installed - Warranty Three Year Full Warranty - Color Black - Dot Size Approx. 0.50 at 50'