Brightness Adjustable 40 LEDs Bulbs Ring Light Lamp Illuminator with AC Power Adapter. Ring Lights Source LED Illuminating for Stereo Microscope Digital Camera Magnifier Inner Dia 47mm.

Feature:
40 bright white LED bulbs, 6W
100,000 hours of life.
Power input: 100-240V, 50-60HZ, auto switching.
with Female thread M28*0.75
Inner Interface Diameter: 47mm
Intense and focused shadow-free illumination.
Variable intensity control.

Package incluede:
1 x 40-LED Ring Light
1 x Power Adapter