Mitutoyo's QuantuMike Coolant Proof Micrometer Bluetooth Package This package provides all of the items required to be able to measure your products with a Mitutoyo QuantuMike 1-2" Digital Micrometer, and then send the measurement data to a Bluetooth enabled device. Complete package includes the following... Mitutoyo 1-2" Digital Micrometer w/SPC Output Specifications include... 1-2" / 25-50mm Measuring Range .00005" / 0.001mm Resolution + .00005" Accuracy 2mm Travel per Revolution Features include... A patented ratchet thimble mechanism helps ensure repeatability The QuantuMike is equipped with a function lock feature to prevent the origin point from being moved by mistake during measurement. IP-65 protection level Supplied in fitted plastic case With SPC Output Functions include... Origin-set, Zero / ABS, Hold, Function lock Auto power on/off , inch/mm conversion Alarm: Low voltage, Counting value composition error Mitutoyo Bluetooth with U-Wave FIT Connector Send data to nearly any software Mitutoyo's FIT Connector wraps around the gage for easy use. Up to 200,000 data transmissions on one battery Up to 52' / 16m signal range Free software app download