144 LED ring light for stereo microscope Specially designed LED light for stereo microscope Number of LEDs: 144 pcs (144 LED lights) Brightness: 0-100% adjustable, high brightness Anti-static performance No fluorescent lamp flicker; slight change in light color temperature under different conditions Mainly composed of power unit, a wide voltage regulator power supply, LED high plastic casting shell Power supply design with protection functions LED light with high brightness, uniform illumination Light color: 6000 K (close to sunlight) Input Voltage: AC 95 ~ 240V; 50 / 60Hz Power: less than 4W Maximum power: less than 3W Brightness: 30000 ~ 40000 Adjustable brightness control Strong and focused illumination, shadowless Brightness: 20000 at a height of 80 mm Connection size: 63.5 mm or less in diameter Working distance: 50 ~ 250 mm Illumination adjustment: 0 ~ 100% Shell Material: Plastic Lamp Shell Color: Black Operating temperature: -40 to 45 Celsius Package Contents: 1 x 144 LEDs Light 1 x Adapter Only the above package content, other items not included Note: Light and different displays may cause the color of the item in the image to be slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.