Features:        56 white LED bulbs for the brightest and most favorable lighting environment        The device is safe to protect the user and the equipment from mild to severe electrostatic electricity        Installing to camera and microscope is very quick and easy to use        Adjustable brightness for flexibility to suit any job and consistent lighting for object illumination        Adjustable screws to keep camera and microscope in place        Provides cool, uniform, flare free and focused shadow-free illumination        Low temperature to maximize the user‘s comfort and operation, even for a long period        Adjustable diameter for the ultimate in attachment flexibility for various tools and equipment                Specifications:        Plug: EU Plug        Intense and focused shadow-free illumination        Brightness Adjustable        Light color: White        Color Temperature: 6000-7000K        Max output: 4.5W-6W        Input Voltage: 100V-240V        Output Voltage: DC 10-12V        Best Working Distance: 50mm-250mm        Brightness: Over 30000-35000Lux        Brightness Adjust: 0-100%        color temperature: 5500K        Inside diameter: 60mm        Outside diameter: 98mm        Thickness: 28mm        Quantity: 1 Pc        Note:        Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid        Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you                 Package Contents:        1 x 56-LED Lamp Ring        1 x Power Adaptor(EU Plug)