Everything you need to shoot with off-camera flash.. The kit includes:

• (2) Canon 600EX RT Flash : The top of the line flash for the EOS-system, this unit takes the best features from existing models and adds some more.
• (3) PocketWizard Plus III : A highly versatile and robust radio trigger that is compatible with most flash and camera systems. Note: You need at least 2 units.
• (2) 8' Light Stand : A lightweight 8-foot lightstand which will support up to 5.5lbs of lights and accessories.