400Ws strobe delivers reliable studio photography lighting Fast 0.5 to 1.0 second recycle time keeps up with fast-paced shooting Consistent 5500K (±200K) daylight-balanced flash for true-to-life results Built-in 2.4GHz receiver for control via FJ Wireless triggers or speedlights 16 groups and 32 channels for dependability in high-interference environments Manual mode with Front & Rear Curtain Sync for creative control options 6 F-stop output range 12.5–400Ws (1/32 power to full) in 0.1 and 1.0 increments Intuitive controls with large LCD display and auto memory recall 15W LED modeling light with 5500K (±150K) daylight output Bowens mount and 9mm umbrella receptacle for light modifier compatibility Includes magnetic reflector and gel set for shaping and coloring your light AC powered and ready to use with no batteries or extra receivers required Westcott StudioLink app unlocks remote control, Mask, and Delay features Backed by Westcott’s 1-year pledge and lifetime US-based customer support