This Flash is preowned in great working condition. Tested and working like a charm.  Please be sure to view pictures for more on condition. 

KEY FEATURES

• Miniaturized Interchangeable Modular Flashhead Components
• Barebulb Reflector or Fresnel Speedlight Style
• R2 Wireless 2.4 GHz Radio System for Canon, Nikon and Sony
• 330 foot Wireless Radio Range
• TTL / Manual / Multi Flash Modes
• Recycles in less than 2 seconds at full power
• HSS to 1/8000th second
• FEC/FEB in 1/3rd stop increments over 6 stop range
• Manual power in 8 stop range from 1/1 to 1/128 in 1/3 stop steps
• Rechargeable and Interchangeable 2900mAh Lithium Battery
• 520 Full Power Flashes
• LED Modeling with Fresnel Head
• 5 Groups
• 32 Channels
• Optic Slave for Canon, Nikon and Sony