HD-601 HSS Battery Flash 1/8000s high speed sync and 1/19000s flash duration(t0.5) Compatible with Canon/Nikon/Sony, USB firmware upgrades available Supporting 20 frames per second high-speed continuous shooting Mask mode for quick image cut-out / 0-30s flash delay for creative photography 6000mAh big lithium battery,500 flashes in flash power output 15W LED modelling lamp
