It's an EOS-dedicated, high-output flash unit automatically compatible with E-TTL II, E-TTL and TTL autoflash. It can serve as an on-camera flash as well a master unit or a salve unit in a wireless multiple-speedilite system.
- Power supply: 4 x AA size batteries (Alkaline, lithium or Ni-MH are usable) (not included)
- Battery life: 100-700 flashes (with size-AA alkaline batteries)
- Wireless transmissions: Approx. 1500 transmissions (with master unit firing disabled and size AA alkaline battery)
- External power: compact battery pack CP-E4 (NOT INCLUDED)
- Dimensions: 191*77*60mm
- Net weight: 380g
Contains:
- MK580 Flash Light x1
- Flash Stand x1
- Protection Pouch x1
- User Manual x1
- Flash Diffuser for MK580x1