The Smith-Victor 13.5" LED Ring Light provides soft, nearly shadowless illumination, ideal for portraits. It produces a maximum output of 3600 lumens, using only 42 watts of energy. The surface-mounted LEDs produce a daylight-balanced color temperature of 5500K using the included standard diffuser, and 3200K with the tungsten diffuser. Additional features: stepless dimmer; built-in accessory shoe; adjustable tilt base. Compatible with standard light stands (up to 5/8" spigot). Includes carrying case.