New old stock still in the shrink wrap.
A pair of Shanny SN-E3-RF Wireless Transceivers for Canon
These both transmit and receive.
Wirelessly Control Flash Units
LCD Display
Hot Shoe Slave/Flash Connection
FSK 2.4GHz Wireless Control System
High Speed Sync to 1/8000s
ETTL/M/Multi Flash Mode
On Camera Flash Support
Zoom Adjustable
3 Groups, 15 Channels
Manual Mode
1st Curtain Sync
Rear Curtain Sync
EV Adjustable