Adjustable speed timer:Simple and convenient man-machine intertace with realtime display of allEasy to observe the operating status of the aquipment Open type fixture:Open tray design, easy to pick up samples.Greatly improvethe convenienoe of the operalion of the experiment Multiple modules optional:A wariety of medules can be selected to perlomm a wariety ofspeciications Sample processing, more convenient and fast experiment DC brushless motors:Maintenance-free electromechanics, long continuous workingtime,strong power,Low noise, high forque, smooth start-up After-sales service: If there is any problem with the product, please contact us in time and we will reply to you within 48 hours.