The TritonFlash battery-powered strobe kit is designed for the professional demands of events, sports, portraiture, architecture, editorial and other applications where photographers require powerful output were an AC socket is not available. The kit includes several essential accessories such as an extra small OctoDome SoftBox, the FlashFire wireless system and an extra battery, so photographers have everything they need for location or studio work.The TritonFlash output is equal to 300 watt seconds. With a guide number of 185 at ISO 200 and up to 750 full power flashes on a single charge, the TritonFlash operates in the power range of studio strobes, enabling photographers to shoot large setups in bright sun without the need for AC power. The lightweight battery pack (22 ounces / 623 grams) features the latest lithium ion technology and will power two TritonFlash heads simultaneously. Fast recycle mode allows bursts of up to 7 shots per second for capturing fast action at weddings, sporting events, or for scientific purposes.