Speed range 150 to 1000rpm with 2mm orbit. With 1 minute to 24 hour x 10 second timer and LED display of remaining time, screw clamp platform to hold two 96- or 384-well microplates and 12V d.c. power adapter. Overall 175 x 185 x 90 mm high. A 220-240V 50/60Hz single phase supply is required for the adapter.