Fixture includes Center Mount, Gel Frame, Louver and built-in barndoors On location, lamps get to full color temperature in three minutes. When finished, turn off power and pack. No need for cool down period. The lamps can stay in the fixture for quick transport. All-in-one design with built-in Dimming Ballast Remote dimmer capability 4-Lamp/2-Lamp switching Low amperage draw - can plug in to any household outlet Slim profile ideal for shooting in small offices, hallways, or cramped quarters The Universal version with auto-sensing power supply, can use anywhere in the world. Same fixture uses 55Watt compact 5500K (Daylight), 3200K and 2900K (Tungsten) lamps. Full spectrum (CRI 95) lamps available in 3 color temperatures: 2900K, 3200K and 5500K High color rendering True Match lamps work well alongside conventional quartz lights or HMI's. Kino Flo 55Watt compact lamps also available in 550nm green and 420nm blue for green and blue screen. Color gels do not burn out or fade due to lower heat of fixture. Center Mount for horizontal and vertical axis rotation Honeycomb louvers (sold separately) 90°, 60°, and 45° give tremendous light control.