YUAN Video Microscope With 8-inch LCD Screen&TV Interface(7x-50x)-220v-110V Industrial applications:-PCB manufacturing--SMD industry--Micro-assembly and soldering-Medical device manufacturing-Jewelery industry-Fabricated plate work-Measuring device-Inspection and quality control-Product displaying-Education and training, etc. Information Zoom range 7x-50 LCD size 8-inch (165*125 mm) Interface TV output Illmination Yes, built in This video microscope is widely used, it has a 8-inch LCD screen you can see the pictures of the objects on this screen, it is convenient for people watching and observing. it is convenient for people watching and observing. The objective zoom range is 7x-50x. It's battery is durable, it can work for a long time. It equipped with extra illmination for better imaging. And it also has TV interface, users can connect the microscope with TV monitor easily.