More on Amazon.com : http://www.amazon.com/gp/product/B00JJC84V2?tag=thefatkidin06-20

Cactus RF60 Wireless Flash with Built-in Wireless Commander and Receiver

Guide Number ISO 100 33m108f at 24mm 56m183f at 105mm
Motor Zooms 24mm - 28mm - 35mm - 50mm - 70mm - 80mm - 105mm
Power levels 22 in total
Flash durations 1300s - 120000s
Modes Local L Master M and Slave S