Dual function tachometer features the ability to measure RPM with non-contact built-in laser and contact (m/min) measurements quickly and accurately. REED R7100 Offers This tachometer features both the ability to measure RPM (revolutions per minute) in rotational equipment and surface speed m/min (meters per minute) with included contact adapters. The R7100 features a built-in laser pointer to assist with identifying the target area. Features 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 m/min (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 LCD display and low battery indicator Included Photo/Contact Tachometer Reflective Tape Large and Small Cone Tip Adapters Funnel Adapter Wheel Adapter Batteries Mounting Screws Hard Carrying Case