MSC-3000 / MS-3000 uses a 4.3 inch color LCD screen combined with a graphical operation interface to give users a better experience. The block can be replaced easily just by flipping the block handle. Thermo lid accessories with a magnetic port design effectively improves the temperature uniformity in the test tube, avoiding changes in the concentration of reagents in the test tube caused by liquid evaporation and condensation, ensuring the stability of the reaction conditions.