PHOTTIX TETRA RECEIVER
Phottix Tetra is used for triggering off-camera flashes and for studio flash. (This product is the Receiver only, Transmitter is NOT included.)
This is the second generation of PT-04 with better design. Top quality in the market.
Four channel to avoid interference
Receiver with PC Sync socket, good for studio flas
Channel selector outside receiver
Good for umbrella holder with L-bracket moving up