The BUG-A-SALT BUG-BEAM comes to you directly from the patent holder and inventor, Lorenzo Maggiore, and is guaranteed to fit on all 2.0 and 3.0 BUG-A-SALT insect eradication devices. In addition, this model includes a warranty policy and customer service support directly from the manufacturer of the BUG-A-SALT device, Skell Inc. Easy to install on your BUG-A-SALT. Begin by loosening the BUG-BEAM’s adapter screw. Take the adapter ring and slip it onto the gun. Insert the laser device into the ring and tighten screw. Calibrate the BUG-BEAM by creating an aluminum foil target (on a box), use a permanent marker to create a bullseye. Next, use the included Allen wrench to adjust the BUG-BEAM horizontally and vertically. Place the tip of the gun/BUG-BEAM three feet from the foil target and adjust until aim is perfect. For added value, the BUG-BEAM also makes the perfect cat toy (or dog toy) during the off season for insect hunting.