These LG-461 Lasergrips are made to follow Crimson Trace's most rugged and reliable personal defense standards, and feature a rubber overmolded front-activation pressure switch to give defensive shooters a clear advantage. Just grip the gun, and the laser is instinctively activated. This model also features the slim laser diode housing, making them an ideal concealed carry tool. (Grips/Laser only, gun not included). Specifications: - Activation: Front Pressure Switch - Material: Rubber Overmolded Switch, Hard Polymer Side Panels - User Adjustable: Both Windage and Elevation - Holster Fit: Ultra-compact 3.3mm diode - Master On/Off Switch: Yes - Warranty: 3 Years Complete - Beam Intensity: 5mw peak, 633nm, class IIIa laser. Maximum output that federal law and technology allow. - Dot Size Approximately: 0.5" diameter at 50 feet. - Power Source: Two #2032 lithium batteries (included); over four hours of on-time use and a five year shelf life - Fits: Kahr Arms MK9 / MK40 compact pistols Manufactures Website Address www.crimsontrace.com Warranty Information