Very nice, I think the idea with the red and green LED light - the jenach pressure intensity lights to indicate that the autofocus has been activated or even already the picture is shot. All modes function properly. The transfer time is noticeable almost instantaneously, or hardly. Even after weeks everything works as it should -'m fully zufireden.
The only what happened: For outdoor use, at about - 18 ° C the recipient became unresponsive. But that's, I think, not unusual and was not that bad (unless you want to take snapshots in the landscapes of Siberia).
Tested with Canon EOS 1000D.