Neewer® 4 Channel Wireless Remote FM Flash Speedlite Radio Trigger with 2.5mm PC Receiver for Canon 580EX II 580EX 550EX 540EZ 520EZ 430EX, Nikon SB900 SB800 SB600 SB28, Neewer TT860, TT850, TT560, YN560 III, YN560 II, YN560 I, Olympus, Pentax,Sigma, Sunpak, Vivitar 285HV and Other Flash Units with Universal Hot Shoe (1 Trigger&4 Receivers Set)

This flash trigger device is control discreteness for camera to trigger hot shoe flashgun synchronously. It's made up of two parts named signal transmitter and receiver. Work through wireless remote signal controlling.

The transmitter consists of advanced designed circuit and component, and works through sending encoded signal. It comes with 2.5mm sync port. This flash trigger can work with all camera with standard hot shoe mount and those cameras with 2.5mm port.(but does not work with Sony flashes)

It is very useful when you want to trigger 4 flashes at one time.

Specification:

Operate frequency: 433MHZ

Sync speed: 1/250s

Work range: ≤30M

Screw mount on receiver: 1/4"

Battery for tramsmitter: 23A-12V mini batter (the battery included)

Batery for receiver: 2x1.5V AAA battery (the batteries not included)

Suitable for:

Canon SpeedLite 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX, 430EZ, 420EX, 420EZ, 380EX;

Nikon SpeedLight 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;

Sigma EF-500 DG Super, EF-500 DG ST, EF-430;

Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D;

Vivitar 285HV (Older Vivitar 285/283 works only with PC sync);

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 SONY as they use a special hot shoe).

Note: Before the transmitter can trigger the receivers, the channels on these devices must be set in the same pattern. Please read the user manual for more details.

Package Contents:

1x Transmitter (with built-in battery)

4x Receiver (AAA Batteries not included)

1x PC Sync cord for camera (2.5mm to Male)