Price is for one pc of Trigger or one pc of Receiver only

1 Set (1 trigger + 1 receiver) @ $23

 
16 Channels FM Radio Wireless Remote Speedlite Flash Trigger/Receiver for Canon Nikon Pentax Olympus
Note: This trigger can trigger TTL flash, but not in TTL mode.
Compatible with:
* Canon 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX/EXII, 430EZ, 420EX, 420EZ, 380EX;
* Nikon SB-900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24;
* Olympus FL-50, FL36;
* Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT;
* Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D;
* Vivitar 285HV (Older Vivitar 285/283 works only with PC sync cord);

* Yongnuo YN series;
* Other flash models with a trigger voltage of 12V or lower.
* Work with flash units using universal hot shoe like Nikon, Sigma, Olympus, Pentax (except Minolta SONY, for they use a special hot shoe).

Specifications:
Power of the signal transmitter: 23A 12V mini battery(included)
Power of the receiver(AC): 2 * 1.5V AAA Battery(not included)
Outdoor working distance: max. 30m / 90feet (open area, no fraise)
Indoor operating distance: max. 25m / 75feet Frequency: 433Mhz
Synchronous speed: Max. 1/250sec
Package size: approx. 6.6 * 6.6 * 4.5cm / 1.98 * 1.98 * 1.35in
Package weight: 84g / 2.96oz

The remote wireless flash trigger for studio flashes and outdoor flash is used as the controller of synchronous trigger studio flash of cameras. It consists of a signal transmitter and a receiver trigger and works by means of the frequency modulation wireless remote control.

Basically any flash models with a trigger voltage of 12V or lower and central pin connector