Consisting of: 17-inch Philips color monitor, Dell Optiplex GX1 PC, HP DeskJet 520 printer, and Jäger isolation transformer, including trolley as shown, parameters: Flow/Volume/Resistance: VC IN, FVC, FEV1, FEV1% VCIN, PEF, MEF 75, MEF 50, MEF 25, Rocc, G occ, Body Pletismography/Flow-Volume: Reff, SR eff, RV % TLC, ITGV, ERV, RV, VC, TLC, very good used condition