The gripsense technology utilizes similar technology to smartphones, in that the product contains a detection zone in the area that users middle finger indexes the trigger guard of the firearm and senses the users grip on the firearm and activates the light or laser instantly.The user has the option to turn off the light or laser with the push of a button or disable the gripsense activation and rely solely on the button activation the new centerfire with gripsense technology is an essential sighting tool for training, concealed carry, home defense and backup use, the cf-lc9-c-g projects a bright mint green light and a green laser aiming point downrange the perfect complement to ruger's small and easily concealed lc9, lc9s,lc380 and ec9s pistols.Rounded and blended to ensure a smooth draw, the cf-lc9-c-g mounts to the frame without permanent alteration.Power Switch: Ambidextrous On/OffWavelength: 650nMDot Size: AdjustablePower: 5mWWeight: 1.50 ozBattery: 1/3NLaser Color: RedFirearm Fit: Ruger LCAdjustments: Windage & ElevationFinish: BlackMount Type: Frame