Laserguard is the trusted household name for comprehensive laser sighting systems. Featuring the Crimson Trace patented Instinctive Activation technology, the laser turns on when you naturally grip your pistol; no need for manual ON/OFF buttons. Each Laserguard is designed to look like it is part of the firearm. Laserguards mount quickly and securely around a pistol s trigger guard, enhancing your ability to engage threats quickly and accurately. Product Features (1) 1/3N 3V Lithium battery included Attaches to triggerguard for flush fit Front grip Instinctive Activation activates laser when you naturally grip the firearm Master ON/OFF switch Pre-sighted from the factory at 50 yards