Pocket Tach 99 is a digital, battery-powered portable non-contact optical tachometer (red LED), which operates up to 36 inches from a reflective tape target using an LED light source. The ergonomic design allows safe, direct line-of-sight viewing of both the rotating target and the display at the same time, while providing a no-slip rubber surface for single hand operation. Pocket Tach 99 in the value-leader of the world-class Pocket Tach Series from Monarch.