The LED-5WUV is a unique ring-light that can provide both daylight-balanced and ultraviolet illumination. The 5 Watt controller uses discrete control over both white and UV lighting. Fearures: 40 6400K LEDs and 40 Ultraviolet LEDs for multi-purpose illumination Light-weight ring-light attaches to a wide variety of stereo microscopes using a 48mm adapter Separate intensity control in aluminum housing Compatible with 100-240VAC Specifications: Ultraviolet LED Count: 39 Ultraviolet LED Power: 2.5W total Ultraviolet LED Wavelength: 365nm White LED Count: 39 White LED Power: 2.5W total White LED Colot Temperature: 6500K Ring-light Inner Diameter: 69mm Ring-light Cord Length: 52.5" Power input: 110-240V, 50-60HZ, auto switching Packing List: One LED ring-light One controller One 48mm ring adapter