• Brand & Model: YONGNUO RF-603C
• Camera models supported: Canon 650D, 600D, 60D, 550D, 500D, 1000D, 450D, 400D, 350D and 300D
• Dual-use design, one RF-603 remote controller can work with two flashes (installed on the transmitter)
• Functions as a receiver and transmitter    
• FSK 2.4GHz wireless receiver up to 100 meters
• Synchronizes on-camera flash triggering
• Synchronizes studio lamp triggering
• Supports remote control shutter release function
• Note: Doesn’t support Nissin flashes.