It can be used for cameras to focus while hunting or viewing in dark places or areas. 144 LED ring light for stereo microscope Specially designed LED light for stereo microscope Number of LEDs: 144 pcs Brightness: Adjustable from 0% to 100%, high brightness Anti-static performance No fluorescent lamp flicker; slight change in light color temperature at different angles Composed mainly of power cord with wide voltage regulator power supply and high-grade plastic casting shell Power supply design with built-in protection functions LED light with high brightness and uniform illumination Light color: 6000 K (close to sunlight) Input voltage: AC 95–240V, 50/60Hz Power consumption: less than 4W Maximum power: less than 3W Brightness: 30000–40000 lux Adjustable brightness control Strong and focused illumination with shadowless effect Brightness: 20000 lux at a height of 80 mm Connection size: fits diameter up to 63.5 mm Working distance: 50–250 mm Illumination adjustment: 0–100% Shell material: Plastic Lamp shell color: Black Ambient temperature range: -40°C to 45°C Package Contents: 1 x 144-LED Light 1 x Adapter Only the above package content; other products are not included Note: Lighting and different displays may cause slight variations in the color of the item in the picture compared to the actual product. Measurement error allowed is +/- 1–3 cm.