These LG-460 Lasergrips are made to follow the 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. (Grips/Laser only, gun not included). Specifications: - Activation: Instinctive Activation; Front Pressure Switch - Material: Comfortable 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 Manufactures Website Address www.crimsontrace.com Warranty Information