Specification: Magnification: Continuous zoom 6.5X to 55X Head: 45-degree inclined 360-degree swiveling trinocular Eyepiece: WF10X/22MM adjustable Objective: 0.65-5.5X Zoom Knob: Metal knob 7 gear zoom Camera connector:0.48PRO CTV (Monitor and eyepiece Synchronous zoom) Accessories: 144 light dustproof lens Limit lock Leak-proof eye cup Support Parameters: Column aperture: ?32mm Lens aperture: ?76mm Center distance: 155mm Lifting range: 50mm Wide-angle Eyepieces 10X/22: Magnification: 10X Wide field of view 22mm Matching size: 30mm Applicable models: Stereoscopic, fixed, and continuous magnification microscopes 144 LED Ring Light: Input: AC 100~240V 50/60Hz Output: DC 12V, Max 700mA Light color: White Number of lights: 144 LEDs Inside diameter: 60mm Package includes: 1 x Microscope 1 x Aluminum Alloy Plate 1 x 144 LED Light 1 x Dustproof Len