This 216ED-552 ring light kit for stereo microscopes includes a 144-LED ring light with 2.4" (61mm) inner diameter, a 90V-264V black color power adapter and a ring adapter with 1-7/8" (48mm in diameter) thread. With variable intensity control, it provides cool, even, intense and focused shadow-free illumination. It is an ideal durable cool light source for microscopes.

Specification:
● Outer diameter: 100mm
● Inner diameter: 61mm
● Wattage: 4.5W
● Input voltage: 90V-264V
● Output voltage: DC12V
● Brightness adjust: 0-100%
● Working distance: 40-250mm
● Quantity of LED: 144PCS
● Brightness: 20000Lux at height of 100mm
● Color of light: 6400K

Packing List:
1x 216ED-552 Ring Light
1x Control Box
1x Power Cable
1x 48mm Ring Adapter