Gel instrument is a technique used in laboratory to separate charged molecules like DNA, RNA and proteins according to their size. Gel electrophoresis instruments are commonly used to run and compare DNA samples. - Compact designed, simple operation, one-key switch the wavelength. - With a battery, can be used for a long time without electricity. - Optional H-type stand fix the UV analyzer to meet special operational needs. - H-type stand for optional to fix the instrument, meet the demand of special operations. It can adjust height and angle.