This professional studio flash has 400ws power and a modeling lamp with 150w power. the tf-l series by falcon eyes are advanced flashes for the demanding studio photographer. they offer everything you would expect of a professional studio flash, such as a fast recharging time, sturdy metal housing, professional bayonet-connection for accessories, a built-in slave receiver and a very accurate adjustability. the guide number for this flash is 64. Of course, the modeling lamp can be switched on and off and its power can also be set proportional to the flash power. also, the flash is equipped with an auto-powerdump function and protection from overheating. But what really sets this flash apart, is this: Clear lcd screen The bright, blue lcd-screen can easily be read. Intelligent remote control (optional) With the additional wireless remote control rc-2l, you can change settings such as flash power, when the flash is positioned out of your reach (e.g. at 3 meters height). furthermore you can control up to 10 different flash units. see "optional accessories". The possibility to let the slave-receiver flash at the first, second or third flash This way, you can trigger the flash on a flash of your choice. most studio flashes flash immediately when the built-in slave-receiver detects another flash. but the tf-l flashes can be set to go off at the second and third flash as well. this way, you can use the pre-flash function of you camera flash. When you want to see all accessories which are available for this studioflash, please click here.