The Extech 407860 Vibration Meter has a velocity range of 7.87 inches/s or 200 mm/s, an acceleration range of 656 feet/s or 200 m/s and a displacement range of 0.078 inches or 2 mm. The measuring device measures with a basic accuracy of 5%. The scope of delivery includes an external sensor, a magnetic holder, a 9 V battery, a holster with stand and a hard case.