CCTV Digital Microscope System is suitable for teaching, demonstration of slides and group discussion in class rooms. The Digital Microscope System has a rack and pinion coarse focus system with safety stopper. The Digital Microscope System is fitted with built-in 6v-20w halogen bulb light and variable intensity regulator. CCTV Digital Microscope System functions with an input range of 220-230 V AC at a frequency rate of 50Hz.