 "Canon Speedlite 600EX II-RT - hot-shoe clip-on flash" Flashes & Accessories CDW.com " Canon flash 1177C002 Lights
"The Speedlite 600EX II-RT delivers impressive power, responsive performance and advanced, wireless communication for those who demand the very best in flash photography. Featuring improved continuous performance up to 2.0x faster than its predecessor, the Speedlite 600EX II-RT performs at a phenomenal speed, and reliably at that - Quick Flash settings and a flash-readiness indicator help ensure priority shutter operation, even when the flash isn't fully recharged. It's also built for fast, convenient use virtually anywhere for any situation, with improved combination button and dial controls, a refined dust- and water-resistant body and accessories tailor-made for enhanced lighting effects. For speedy and comprehensive flash photography on the go, the Speedlite 600EX II-RT delivers portable, professional performance with ease." 
 "3 Way Flash Shoe Bracket/Umbrella Holder Light Stand Mount with Three Hot Mounts, T"
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The CowboyStudio Hot Shoe Holder provides you with full control for the positioning your flash. With the built-in umbrella holder, you can have portable studio lighting without the hassle.This product is easy to put on the stand and holds tight. It is also easy to put in an umbrella and holds the flash in place. It is recommended for a photographer that is trying to create a very portable studio lighting systems using speedlights. " 