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 firearms. Laserguards mount quickly and securely around the pistol's trigger guard, enhancing your ability to engage threats quickly and accurately. Features: Activation: Instinctive Adjustable: Y Battery Type: (1) 1/3N Lithium Beam Color: Green Dimension: 2.00 x 4.35 x 5.10 Finish: Black Matte Laser Type: Trigger Guard Master On/off Switch: Y Series: CSX-G