Check the listing for details. wireless SPC-USB sender / receiver kit for iGaging absolute caliper micrometer +. Condition: New. Listed at 75.50 USD. Please read all of listing, most questions will be answered. Quick link to many sizes and types of calipers Welcome to piggyhug's mudhole. Have you hugged a pig lately? Presenting an iGaging wireless transmitter - receiver set for iGaging origin SPC port devices, ie calipers, DRO, micrometer, depth gauges, ETC. Connect the transmitter / sender to any iGaging absolute SPC port device and receiver in a USB enabled device (computer, tablet, etc) and transmit data with a push of a button. Output data to Excel, Word, Notepad, CAD. Works with a 20 ft range. Program is preloaded in the receiver and will automatic install in a computer. Sender is powered by a CR2032 battery. Receiver powered by the USB device. Instructions included.