The patent pending gripsense technology by lasermax 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 laser instantly.The user has the option to turn off the 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 gs-p365-r projects a red laser aiming point downrange the perfect complement to sig sauers easily concealed p365, p365 xl and p365 sas pistols.Rounded and blended to ensure a smooth draw, the gs-p365-r mounts to the frame without permanent alteration and offers ambidextrous switching to accommodate both right and left-handed shooters.Most operators report immediate improvement to hit ratios after installing a centerfire gripsense laser sight.Power Switch: Ambidextrous On/OffWavelength: 650nMLaser Color: RedFirearm Fit: Sig P365Mount Type: Trigger Guard