Quantums qflash t5d r series is an evolution of quantums proven portable qflash unitsand is powered by any quantum turbo battery not supplied giving a maximum power output of 150ws the t5d r is equally at home in the studio as it is on location a turbo ac conveniently converts a qflash t head into a mains powered flash making it ideal for use in the studio or at an indoor event when used with freexwire the qflash 5d r supports wireless control of all dedicated camera flash functions in