Scanning bar codes on flat, curved, or irregular surfaces at distances from 2.5 to 36.0"/6.0 to 91.0 cm is easy with Topgun. Its rugged one-handed design gives you durability, reliable performance, and freedom of movement, even in the most demanding industrial work environments. Topgun consists of a PT 2000 portable data collection terminal integrated with a TopGun laser module. Weighing 16 oz./480 g, 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.