The Fluorescent Lite Ring is ideal for use in the studio to create a ring shaped catch light in the eye of the subject, whilst providing a super soft level of lighting on skin tones. When used in combination with other Interfit Super Cool-Lite products you can achieve a stylized look to your images that will have other photographers asking your secrets. Ideal for using close up lighting of both Portraits and Products to create a near shadow less lighting style. Interfit recommends using 400ISO and shooting at wide open apertures for a distinctive style to your lighting. Technical specifications: Power Control Switches, Color Temperature 5500K, Output 90 Watts, Distance 0.5m 1m 2m, Lux 5500 1500 420, Can take up to a 100mm Lens Hood comes with soft cover diffuser