New Wireles Remote Controller YN-129

New Wireles Remote Control YN-129 for Canon Nikon Pentax Olymus Sony DSLR Cameras This wireless shutter release system is compact and portable desgin, but realizes many functions like : Single-frame shooting,, Continuous Shooting, B Shutter, Delay Shooting & Group shooting. Its opearantion range is up to 100 meters in open area, with specail anti-interference design. YN-129 Receiver itself can works as a Cable Shutter Release. Moreover, YN-129 Receiver has added opticall controller function. The speedlite attached to Receiver’s hotshoe can be triggerred by build-in flash of the camera or master speedlite. Technical Features: Power Source: Transmitter (23A), Reiver (CR2) Working Distance: 100M (open area), Optical Control (10M) Channel: 4 Frequency: 4 Channels Syncehronus Speed 1/250s