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 users 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)