The award-winning G-Serieslaser sights offer an even more compact frame application than traditional Lasergrips maintaining your compact-sized GLOCK's configuration. Engineered with Crimson Trace'sinstinctive activation the Lasergrip is engaged from the rear of the grip with your natural firing grip. Fits GLOCK Gen3 19 23 25 32 and 38. Platform Lasergrips Material Polymer Attachment Grip Attachment Activation Location Rear Activation Sighting Factory Sighted at 50' 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' DISCLAIMER: This product is not manufactured authorized endorsed or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.