Somewhat weak is the flash sync speed. Up to 1 / 160s it works perfectly, from 1 / 200s closes the shutter too quickly and you can see the bottom of the image a black bar that makes the image unusable.
Update 1:
Is not optimal processing. The holder and the screw for the hot shoe are made of artificial stuff, not of metal. Here me is broken off at eindem the receiver just after a few days, a corner, despite careful handling.
Update 2:
Having now for the first time had to replace the transmitter battery, there is another star deduction. Why? There is no easily-accessible on the transmitter battery compartment. Instead, you have to unscrew the transmitter, remove the board and only then can you remove the battery. The whole is then an action of Sort cardiac surgery: When opening tumbles against one of the test button, and you have to be very careful not to damage the sensitive electronics.
As I said, time to get a taste of the topic, the set is ok, but if it does not arrive for a few more euros, you should look around for something higher quality.