Features: Enhances your microscopy experience with this Adjustable 144 LED Rings Light, providing uniform and Shadows illuminates for best viewing clear . This Rings light features adjustable brightness, allowing you to customize lighting intensity to suit various observation needs, ensuring consistent and clear object illuminates . Ideal for professional researcher , biologists, gemologists, and microscopy enthusiasts search precise and detailed visual analysis. Perfectly suited for laboratory research, industrial inspection, jewelry appraisal, and educational training, offering versatile application across multiple professional setting. designs with user comfort in mind, the low temperature operation ensures extended use without discomfort, making it indispensable accessory for stereo microscopes and cameras. Specifications: Material: ABS Number of LED Light : 144 Light color: white Rings lamp shell bayonets (inner apertures) size: Φ64mm Rings lamp shell thickness: 30mm Suitable for the outer diameter of the lens: 30mm-63.5mm Input voltages :100~240V/50Hz, 60Hz Output voltages and power :12V <4W Brightness adjustment :0~100% Brightness :30000lx~40000lx (working distance is 80mm) Working distance: 10-300mm Package Includes: 1xLED Rings Light note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.