The 765-UM is suitable for extended duration use. An integral umbrella port and universal 3/8 to 5/8 stand mount makes it a perfect light for a variety of applications. This kit includes light stands that rise to a maximum height of 8 feet. All the kit components fit easily into the included wheeled kit case. Although equipped with 600 watt bulbs the 765 SG fixtures will accept a 250 watt bulb (EYH) a 500 watt bulb (FGB) for 120 AC voltage and a 650 watt 230 Volt bulb (DYJ) with the appropriate plug adapter all available separately.