This is a brand new studio strobe/flash set. The master strobe (could be used as a slave strobe) has a guide number of 30GN at ISO 100. The master strobe could be triggered by a flash, infrared and sync cord (included). It also comes with a test button. These strobe flash work on any 220v power outlet. The A/C swivel adapter provides the power source from your wall outlet. It also connects the umbrella to the light stand. You could easily adjust the shooting angle on the swivel adapter. The umbrella will soften the light to give your images a professional look and get rid of the ugly shadows completely. This set works great with film or digital cameras and is ideal for in studio or on location shooting.Product FeaturesLIGHT STAND- Pressure die-cast aluminum construction- Max extended height : 2000mm (6.6 ft)- Min. height: 810mm (2.66 ft)- Weight: 1040g- Max. tube diameter: 23,5mm- Solid locking capabilities with specially designed quick-release levers- Versatile and compact- Colour: Black- An exceptionally strong, yet lightweight standsPOWER ADAPTER HEAD- Angle Adjustable- Screw in E27REFLECTOR UMBRELLA- Colour: White- Diameter: 33"STROBE SYNCH FLASH- Power Range 60WS Studio Flash- Light operated through PC cable from camera- Guide Number 30m ISO 100- Angle of Illumination 55°×40°- Effective Distance >10m- Color Temperature 5500-5600k- Flash Duration 1/1000S- Test fire button, power on and ready lamps- Built-in reflector- Connection General Screwed Holder- Power AC220V 50Hz- Built-in reflector- Remote sensor- Recharge readylight- Fast recharge time- Easily changeable fuse holderWhat do you get- Light Stand DYNASUN W803- Strobe Synch Flash DYNASUN WOF4003- Power adapter Head DYNASUN WOF4005- Reflector Umbrella DYNASUN WOS3004- Synch Cable- Carrying case for Stand