SMD LED ring microscope light with high brightness, long life, low heat, low temperature, light without flash, long life, energy saving, compact appearance, easy installation. The brightness of the LED microscope ring light can be adjusted, is a stereo microscope, monocular video microscopes and other optical instruments with the perfect source. Adjustable Brightness LED Microscope Lamp Material: ABS Maximum output: 3-5W Best working distance: 20mm-160mm Power input: AC100-AC240V, 50-60HZ Installation interface: 58-65mm Color: White Applications: Microscope lighting, machine vision system lighting, ecophotography lighting, medical photography lighting, instrument lighting, etc. USB interface Package Contents: 2 * Ring Light Lamp Only the above package content, other products are not included. Included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.