Interfits proflash one eighty kit is a portable lighting solution for any photographer looking for an effective radio trigger compatible rugged on or off camera flashgun and battery pack with plenty of power and plenty of juice this bare bulb flash is capable of 900 full power 180ws flashes between charges and high speed sync which allows photographers to use the proflash one eighty with the optional radio trigger set str203 at shutter speeds up to 18000 second the standard reflector