The Laser sight for the Walther P22 fits Walther P22 3.4" and 5". It features high-strength Zytel polymer construction/user-adjustable windage and elevation/ambidextrous activation/and 4 operating modes. The P22 slides onto a tactical rail and self-locks into place/removes by means of quick detach system. Includes the CR2 3V lithium battery/2 adjustment wrenches/tactical latch bar/operator's manual and demo DVD.