Fovitec StudioPRO 88W/s Photo Studio Strobe Flash Lighting Light Master Slave Light Bulb The Studio PRO AC Power Master/Slave Strobe - 88Ws is a powerful yet compact flash unit This makes it easy to turn any light socket into a powerful flash unit It has an accurate color temperature which makes it ideal for all kinds of photographic work like portraiture, weddings, fashion, advertisement, and more! It is easily used in any E27 standard thread screw socket It makes a great hair/backlight for your subject Sync this strobe directly to your cameras PC socket or use the optical slave mode function to sync it with multiple strobes