In a word, everything is said in the title ................. Adding to that that this set can control, slave, former Canon flashes EZ series we can find good bargain price and any other system with a sync terminal without electrical risk to the case. The finish is bluffing for that price and indeed for the rest of the production YONGNUO and currently reliability is perfect. When the manufacturer released the YN-TX transmitter 622c (soon hopefully) this game Transmitter / Receiver will acclamation quality / prix.Pour once "Nikonistes" are lucky because the issuer already exists for them. I will even venture to write it relegated to the amateur, pro systems (unaffordable issue price) to the level of the Stone Age ....... Although seen AA battery power is avoided costly and hard to find lithium batteries. So I conquered recommends two pairs
