Nicefoto Wireless flash trigger PT-04GY

Features\n\n1.Fit for Nikon/Canon speedlite\n2.4 Channels with hot-shoe connector for external flashes\n3.The receiver has an on/off switch\n4.Transmitter -- 12V-23A\n5.Receiver -- 2 x AAA batteries\n6.Operation frequency: 433MHz\n7.Max. working distance--30m (Open area without interference)\n8.Max. Sync Speed - 1/250s (depending on camera and flash)\n9. Works for majority of older flashes used with film cameras.\n\nPackage\n\n1.Receiver =1pc\n2.Transmitter =1pc\n3.User manual =1pc