Andoer PT-04GY 4 Channels Wireless Remote Speedlite Flash Trigger

Features:
This set consists of a signal sender and two receiver trigger.
Universal hot shoe interface, compatible with Canon, Nikon, Sigma, Olympus, Pentax, etc. (except Minolta SONY, for they use a special hot shoe).
Globally univeral 433Mhz frequency, 4 channels.
With studio flash interface, can trigger several kinds of studio flashes.
Transmitting distance up to 30M, no limits with directions or angles.
1/4 nut can be connected with tripod or light holder to make flashlight safe and stable.
Energy-saving design with 12V 23A battery of transmitter and 2 * AAA batteries(not included) of receiver.
Comes with a PC sync cord for cameras without hot shoe socket.
Note: This trigger do not support TTL function.