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. - The zoom, focus, aperture, UV light and white light can be controlled by PC. - Auto-delay-shutdown function for UV light. - 6x zoom Iens, easy to observe the zooming of gel. - The zoom, focus, aperture, UV light and white light can be controlled by PC.