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Provides intense and focused shadow-free illumination
Input voltage: USB 5V 2A
2.55" (65mm) inside and 3.75" (95mm) overall outside diameters
0-100% adjustable light intensity, is an ideal source of automation equipment, single cylinder microscope, stereo microscope and other optical instruments and equipment.
High brightness, long life, low temperature,light and soft no stroboscopic,energy saving, integrated design, simple and elegant, compact appearance, convenient for installation.
Product parameter: Input voltage: USB 5V 2A LED quantity: 144 or 64 PCS Brightness adjustment range: 0-100% adjustable Working distance:40-160MM Maximum illuminance:30000-35000LUX Color temperature:6500K-7000K Effective lighting distance:75MM Product shell color: white Product life:?30000HRS Product inside diameter: 65mm Package included(USB 64 LEDs): 1 x USB 64 LED Ring Light Package included(USB 144 LEDs): 1 x USB 144 LED Ring Light Note: The parcel not contain any USB adapter.