Get it by Saturday October 28th by choosing the expedited option during checkout.
Works as a wireless shutter release control to trigger your camera
Transceiver System - works as a wireless flash trigger and receiver
Each RF-603 is designed to work as trigger and as receiver
Compatible with Canon 1D/5D/7D/50D/40D/30D/20D/10D Series cameras for shutter release control
Includes (2) RF-603 transeivers (1) C3 shutter release cord