1、Made of high quality LED bulbs and plastic material, not easy to damage, durable in use. 2、Intense and focused shadow-free illumination 3、The brightness of 0‑100 percent adjus, high brightness. 4、It can offer an optimum amount of lights to the microscope when additional light sources are required. 5、Widely used in stereo microscopes and cameras auxiliary lighting, very practical. Overview:The 144LED ring light is designed especially for stereo microscope, and is an excellent companion to various kinds of microscopes and camera. It can offer an optimum amount of lights to the microscope when additional light sources are required. Inspection and quality conol is no longer a problem. It can also be used as a source for cameras to focus while hunting in dark places or areas. Features: Made of high quality LED bulbs and plastic material, not easy to damage, durable in use.Intense and focused shadow-free illuminationThe brightness of 0-100 percentadjus, high brightness.It can offer an optimum amount of lights to the microscope when additional light sources are required.Widely used in stereo microscopes and cameras auxiliary lighting, very practical. Specification:Material: PlasticWeight: 254g/9ozColor & Plug Type & Voltage: Black,EU Plug 110-220VInterface size: 64mmInner diameter: 64mmOuter diameter: 92mmrightness: more than 18000LUXDimming: luminance 0~100 percentWorking distance: 40-250mmPower: 4.5WInput: 90V-240VOutput: 12V /1ALED Light Beads Quantity: 144pcsPower Adapter 12V /1A Size: Approx. 12.5 x 9.2 x 3cm/4.9 x 3.6 x 1.2inch Package List:1 x LED Ring Light Lamp1 x Power Adapter