1>AC frequency conversion motor 2>Blue backlit LCD display 3>Fixed ... Cell 4K cell smear centrifuge 1>AC frequency conversion motor, high precision, low noise 2>Large capacity(6× ... the centrifugal process 8>the longest centrifugal time of brushless motor is 9h59min 9> after service is valuable within ... Five years for the Motor ,Three years for the Compressor ,One year for ...