Teledyne Gurley 8781-2 Pathfinder 50 X-Y Axis Digital Readout. Device is for parts/repair. Lights up and flickers when plugged in. No further testing done, see photos for details. Device turns on when plugged in and powered up, screen sometimes does not connect with power properly. More often than not the screens will show partial numbers, flicker and then go back to partial numbers. Buttons do not seem to change anything on the screens. Unsure if this item is repairable or not. Unable to find details on this model specifically, please do your own research before purchasing.