This red laser sight fits the Walther P22 3.4" and 5" guns and mounts forward of the trigger guard and under the barrel on the built in rail. It features high-strength Zytel polymer construction, user-adjustable windage and elevation, ambidextrous activation, and 4 operating modes. The laser slides onto the P22 accessory rail and self-locks into place. It can be removed using the quick detach system. This package includes the CR2 3V lithium battery, 2 adjustment wrenches, the tactical latch bar, and an operator's manual.