Topgun consists of a PSC PT 2000 Portable Data Collection Terminal integrated with a TopGun Laser Module. Weighing 16 ounces (including three AA batteries) Topgun is lightweight and easy to use. It operates like any other handheld laser -- just aim it and pull the trigger. Topgun comes fully programmed ready to scan. Using PSC Program Generator (PPG) a Microsoft Windows-Based application program generator you can create custom programs for Topgun in minutes! Topgun is a cost-effective laser scanning solution. It provides the convenience of one-handed portable scanning combined with the speed and accuracy of laser input. Add the PT Dock for data transfer and battery recharging and you have the answer to all your portable needs.