Appearance: black and white can choose lens multiple: Single Lens 10X, mother and child lens 3/10x, 10/20x three sizes: lens diameter 100mm; Lens shell diameter 110 * 130mm; metal hose length 500mm; Powerful table fixture 0-50mm; Lighting: 38 SMD LED lamp beads form round lighting; Weight: 0.8kg; Adaptive voltage: 100-250V or 5V input, input power line length 1.2m. Uses: Electronic plastic industry, medical printing, reading for the elderly, students' learning experiments, etc.