I have two Flex TT5 PocketWizard Transceivers and one Mini TT1 Transmitter with TTL for sale. Comes with the box and works great.
For detail specs please visit the following links:
http://www.henrys.com/4253-POCKETWIZARD-MINI-TT1-NIK-TRANSMITTER.aspx
http://www.henrys.com/4251-POCKETWIZARD-FLEX-TT5-NIK-TRANSCEIVER.aspx