The Acute2 and 2R generation of 1200 and 2400w/s symmetrical/asymmetrical power packs have faster recycling times and significantly shorter flash duration than its predecessors.
Control improvements include proportional modeling light adjustments, an "On/Off" switch for the photo pack and an "On/Off" switch for the photo slave. The packs offer multivoltage capabilities, you can use the packs anywhere in the world.