Unit is in working condition. The Bayer Express Plus is a great choice for small and medium workloads. It is an automated, random-access, clinical chemistry analyzer. Features of the Bayer Express Plus include the capability of performing assays up to 180 tests/hr, can run uninterrupted using single reagent systems and has a 26 position reagent tray along with a 40 position serum sample cup, control, and calibrator tray. The Express Plus can use up to 4 reagents per test, 195 cuvette on-board capacity, internal tape and external report printer, integrated help program that explains how to use each screen and accommodates requests for up to 48 tests (chemistry and electrolytes) and 360 samples at one time.