Westcott FJ400 II Touchscreen Strobe with FJ Pro AC and DC Battery (400Ws) with Power Adapter BundleWestcott FJ400 II 400Ws Compact Touchscreen Strobe with FJ Pro AC and DC Battery The Westcott FJ400 II Touchscreen Strobe is designed for portability and incorporates industry leading features. It comes accompanied with the FJ Pro AC and DC battery, capable of delivering over 550 full power flashes and is compatible with the FJ800. Great Combination of Power and Portability The FJ400 II Strobe provides 400Ws of flash output within a compact structure,