This CCS Packard MiniTrak? Multi-Position Microplate Dispenser System is in real good condition and guaranteed to functions 100%. It came from a local lab that was upgrading equipment and we can accept pay pal or your credit card. Please contact me with any questions. This system features: The unique MultiPosition Automated Dispense Module integrates a multi-position labware deck with highly precise dispense head positioning to facilitate reliable and accurate pipetting Uses four modules for 96- or 384-channel pipetting into SBS-standard 96-, 384- and 1536-well shallow and deepwell microplates Capable of manipulation in X, Y, and Z directions by the module, 96- and 384-channel dispense heads enable precision pipetting of volumes from 0.5 to 750 µL CCS Packard MiniTrak? Multi-Position Microplate Dispenser System Includes: Masterflex 7554-90 Peristaltic Pump Drive with (2) 900-1316 Heads Dell OptiPlex GX620 PC Tower ( Password protected ) Phillips 150X1Z/74 15" Flatpanel Monitor OmniSmart 1400PNP Uninterruptable Power Supply