Skina WS-2 Wireless Flash Trigger can trigger 2 speedlite at the same time, one on the receiver and the other on the transmitter

The trigger uses high frequency FM 433Mhz signal as well as optical sensing technique to trigger any external flash. Its compact design and light weight makes it convenient to carry around. The receiver can be handheld or mount on tripod's 3/4" screw socket and is compatible with standard hotshoe flash like Canon, Nikon, Pentax or Olympus.  

Operating mode:

W - Wireless triggered by Transmitter

L1 -  Optical sensing triggering, Flash mounted on receiver goes off when main Flash fires.

L2 -  Optical sensing triggering, receiver filter out pre-flash from the main flash, and trigger the attached flash after the pre-flash

Specification:

Effective working distance: 15M

Working frequency: 433MHZ             

Synchronizing speed:1/250 second  

Power required:

Receiver: 2 X AAA Battery                   

Transmitter: 23A 12V Battery        

Package content

Transmitter x 1

Recevier x 1

2.5mm to 6.35mm PC cable x 1