YONGNUO RF605C RF605 RF-605 Flash Trigger Strobe Trigger with LCD for Canon Rebel 300D/350D/400D/450D/500D/550D/1000D Series Manual flash trigger for Canon cameras with LCD display screen. 16 channels and 6 groups. TX/RX/TRX multiple working ways. A/B/C/D/E/F 6 groups (compatible with YN560-TX). Wireless shutter remote control. Communication range up to 100M. It can work with the older flash trigger RF603II, RF603 and RF602 as well.