HD-400 Pro Battery-Powered Monolight

-High-speed Sync up to 1/8000s; 450 times Full Power Flashes400Ws Output, 0.9s full power recycling time

-9 F-stop for 1.0& 0.1 flash power variation

-Up to 1/20000 Flash Duration (t 0.5) to freeze imageSupport 20 Frames per Second High-Speed Continuous Shooting

-Built-in wireless receiver with Channel and Group, recommend for TR-Q6 transmitter

-Compatible with Canon/Nikon/Sony/Fuji TTL&HSS