Compatible with ProfotoA1, B2, B10, D2, for Canon, for Nikon, for Sony, for Olympus, for Panasonic, for Fuji, for Samsung(Suitable for Cameras with Hot Shoes). This flash trigger wirelessly trigger and manually control Profoto lights which has built-in Air system. This flash trigger doesn't support TTL or HSS. Features a co-channel relay function, the remote camera can be triggered synchronously with the remote flash. Wireless flash trigger working distance up to 200m (656ft). Aodelan Wireless Flash Trigger for Profoto A1, B10, B2, D2, for Canon,for Nikon, for Sony, for Olympus (Suitable for Cameras with Hot Shoes). Replace Profoto 901031 Air Remote