Aputure Trigmaster Flash System,
New,for Nikon D70S, D80
Purchased in an auction, and these arenew, in the original unopened packets, complete with batteries andcables (though the batteries are now probably flat). Be aware thereare later versions – this may be an early version from around2005-2006, as it's labelled specific for the Nikon D70S and D80.(3546/DrawerE)
There are two sealed packages
MX2N – Containing a wirelesstransmitter as well as a receiver, plus batteries
MXRCR – Wireless flash receiver
From the back of the box, explainingfunctions
Controlling Studio Strobe Flash.Trigmaster can easily control your studio strobe flash. It enablesyou to effectively trigger one or more flashes in your studio at thesame time
Controlling Speedlight Flash.Trigmaster can wirelessly control your speedlight flash. Simplymount the transmitter on your camera and the receiver on yourspeedlight, and you will effectively control your off-camera flashguns.
Controlling the camera shutter.Trigmaster can wirelessly control your camera shutter, Whethershooting in single shot, bulb, continuous or self-time mode, you'llhave completer control of your camera shutter from a distance.
Google “Trigmaster”
As I've already stated there arelater versions
The most useful explanation is theYouTube video by Shouldigetit2 – well worth watching, and seems tobe our version