The MagStir Genie Programmable Magnetic Stirrer features four (4) modes: Manual, Automatic, Profiles and Setup. Manual mode provides basic stir, stir reverse and timer functions. The Automatic mode operates from one of four (4) user-programmable profiles. Profiles mode allows users to create, edit, and store parameters to be used in Automatic mode. Setup mode stores global parameters for manual operation. Time 1 second - 99 hours. Power Levels are Low, Medium and High. Selectable Ramp Rates 5 - 300rpm/sec. Memory Up to 4 user-defined profiles. Weight 1.0 Kg. Maximum Capacity 5 Kg. Measures 6.3" width by 2.2" height by 7.9" depth.