REED Instruments R7100 Combination Contact / Laser Photo Tachometer Dual function unit with both contact and non-contact capabilities Provides fast and accurate RPM (revolutions per min) measurements of rotating objects and surface speed measurements MPM (meters per min) with included contact adapters Built-in laser pointer identifies target area Internal memory recalls maximum, minimum values as well as last value stored Includes reflective tape, large and small cone tip adapters, funnel adapter, wheel adapter, batteries and hard carrying case