The TPI 505L Tachometer with Laser features photo and contact RPM readings, utilizing the built in laser with a measuring range of 6 to 30,000 RPM. With the 505L's laser, the user is able to get an accurate reading as far as 25 feet away from the rotating object. The TPI 505L is also able to get contact RPM readings with the wheel attachments that are useful for conveyor belts and wheels. The handheld nature of the TPI 505L makes it easy to measure motor, output shaft, and flywheel speeds in tight places.