Theory: Biological Microscope Drawtube: Trinocular Magnification: 40X-1000X Illumination: LED Illumination Power Supply: 100 ~ 240 V Light Source: Adjustable LED Lights Focusing: Coaxial Coarse & Fine Working Stage: Double Layer Mechnical Eyepiece: Wide Field Eyepiece WF10X Nosepiece: 3 Holes Objective: 4X/10X/40X/100X Color: White Show More