The PROMASTER FTD-7000M is truly ONE OF A KIND! This flash provides the advanced features and versatility normally found only in manufacturer brand flashes. The FTD 7000M features a motorized zoom flash head, full information LCD panel, built in wireless slave remote operation, and five different flash modes for the ultimate in creative control. With a guide number of 138 (100 iso), you'll always have plenty of light with your FTD 7000M.