The popular Instinctive Activation feature in Crimson Trace Glock Gen 3 Green Laser Grip grants this Green Laser Grip from Crimson Trace the ability to power on with a simple shooting grip. Crimson Trace Rear Activated Glock Third Generation Grip also fits several firearm models, from full-sized handguns to small pistols. Experience quick and easy installation, by firmly connecting the laser to your weapon; and when finished, simply use the main on-and-off switch to fully shut down the laser. With flexible windage and elevation as well as a four hour run-time, Crimson Trace Glock Gen 3 makes sure that its the grip that meets your tactical needs. Crimson Trace Green Laser Sights, first-rate tactical gear for the battlefield and beyond. Specifications for Crimson Trace Glock Gen3 Green Laser Grip: Manufacturer: Crimson Trace Color: Black Beam Color: Green Laser Output: 5 mW Wavelength: 532 nm Maximum Range: 50 ft Attachment/Mount Type: Grip Attachment Battery Type: CR2016 Lithium Battery Life: 2+ hours Battery Quantity: 4 Reticle: Dot Water Resistance Level: Water Resistant Gun Make: Glock Length: 3 in Width: 1 in Height: 1 in Weight: 4 oz Fabric/Material: Polymer/Rubber Combination Included Accessories: No Condition: New Model Generation: 4, 3 Features of Crimson Trace Glock Gen 3 Green Laser Grip: Instinctive Activation allows the laser to be activated with a normal firing grip Master On/Off Switch Fully adjustable for windage and elevation Package Contents: Crimson Trace Glock Gen3 Green Laser Grip