The Walther P22 Red Laser sight fits the Walther P22 3.4" and 5" barrel length pistols and mounts forward of the trigger guard and under the barrel on the built in rail. The sight features high-strength Zytel polymer construction, user-adjustable windage and elevation. 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 2x LR44 Alkaline battery, 2 adjustment wrenches, and an operation manual.