This contact and non-contact tachometer includes reflective tape, a NIST certificate, a soft carrying case, and batteries. It features molded plastic housing, a laser light source, a low battery indicator, and an auto show-off. It has a non-contact RPM range of 2 to 99,999, an RPM accuracy of +/- 0.05 percent, an RPM resolution of 0.1, and a working distance of 1.6 feet. It records maximum, minimum, and last reading and has a temperature range of 32 to 120 Degrees F.