Wireless Flash Trigger OTT-04GY

Features

1.Fit for Nikon/Canon speedlite
2.4 Channels with hot-shoe connector for external flashes
3.The receiver has an on/off switch
4.Transmitter — 12V-23A
5.Receiver — 2 x AAA batteries
6.Operation frequency: 433MHz
7.Max. working distance–30m (Open area without interference)
8.Max. Sync Speed – 1/250s (depending on camera and flash)
9. Works for majority of older flashes used with film cameras.