LED: - Variable lighting direction - Variable power control - Strong and concentrated shadow less lighting - 10000 hours of life - Power Input: 100-240V, 50-60HZ, automatic switching - The Inner Diameter of The ring Light: Approx. 27mm / 1.1in - Overall Outer Diameter: Approx. 45mm / 1.8in - Working Distance: Approx. 27 120mm / 1.1 4.7in Package Included: - 1 x Trinocular Stereo Zoom Head - 1 x Pair of Super Wide-field 10X20MM Eyepieces - 1 x Pair of Eye-Guards - 1 x Dust Cover - 1 x LED Ring Light with Adapter - 1 x Articulating Arm Set - 1 x 32mm Columns - 1 x Desktop clip - 1 x 76mm Focusing Note: - The trinocular camera adapter is not included.
Usually it costs about 30USD-50USD. If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days.