This YN600 5500K/RGB LED Wand from Yongnuo measures 23 x 1.9 x 0.9' and has color and power options that make it a good choice for in the studio or on location. The light has CCT color temperature of 5500 and an RGB mode that offers access to literally millions of colors. Adjustments are a snap with a simple twist of the control knob on the fixture or wirelessly with the Yongnuo app. The light is powered via an optional AC adapter or a separately purchased NP-F-Type battery for use when AC power is unavailable.