Appearance: black and white can choose magnification: 8 times, 3/10 times, 8/15 times optional; Lens diameter: 100mm; Lens shell diameter: 110 * 130mm; metal hose length: 360mm; Base; Diameter 185mm, thickness 25mm, weight 950g; Light: 38 LED lamp beads form round lighting; Power supply: with power adapter one input 100-250V or 5V, the input power cord is 1.2m long. Total weight: 1.2kg; Uses: Electronic plastic industry, medical printing, reading for the elderly, students' learning experiments, etc.