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.