ArmaLaser GTOFLX Red Laser Sight for Ruger SR22 GTOFLX48br MUCH BRIGHTER THAN LASERMAX LASERLYTE OR CRIMSON TRACE DEFENDER Red lasers are not equal 635nm is way brighter and state of the art br CUSTOM FIT For Ruger SR22 Includes custom-fit FLX48 ultra-thin remote touch sensor switch br PROXIMITY TECHNOLOGY ArmaLasers use human touch to turn on no mechanical switch or push button or holster activation br Just grasp pistol normally to turn laser on Secret is a gold-plated touch sensor FLX located right where the trigger guard and grip meet Sensor knows when your hand is on the grip br AMERICAN INNOVATION AMERICAN QUALITY 5 year transferrable warranty Buy back program Excellent Customer Care Use installation video at armalaser website Easy 5 minute install it yourself