● Touch-sensitive button controls ON/OFF and brightness settings.
● Fifty thousand touch test, success rate of 100%.
● Durable metal housing.
● Ultra-bright and energy efficient LED lights.
● Separate lighting available by 4-divided segments.
● Low heat lighting.
● Without flicker.

Specification
● Illuminance: 4W LED
● Number of LEDs: 80PCS
● Inner diameter(mm): 25-63mm (for stereo microscopes body )
● Color temperature: 6500-7000 K
● Brightness adjustment: Yes
● Material: Metal & Plastic
● Power supply: 100V-240V
● Working distance: 50-180 mm

Packing List:
1x 216ED-551 Ring Light
1x Power Cable
1x Ring Adapter