PT-04GY 4 Channels Wireless Remote Speedlite Flash Trigger Universal 1 Transmitter & 2 Receivers for Canon Nikon Pentax Olympus

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.