Has a streamlined rectangular body with elegant panel and clear acrylic lockable lid. Complete with pilot lamp, continuously variable speed regulator, Digital speed-indicator, plug-cord to work on 220V AC 50Hz single phase. A hermetically sealed compressor for cooling from ambient to -20°C. Temperature controlled by Digital Temp. Controller cum Indicator with accuracy ± 0.50°C. The centrifuge has an electrical interlock to ensure that the unit can not run with cover open.