The unit I purchased, so to speak "to try". Although I have a remote release, but not with a timer function. The operation is quite intuitive and requires only little effort in order to cope. What, however, I noticed that always 1 extra second you have to adjust for the time intervals when you want to have. So if I want to take a picture and then wait 3 seconds wants to make the next, I have to set for 4 seconds since the device when triggering ready instead counts on 1 to 0. Note you have to remember that you should leave the shutter speed either the camera or timer. Setting In the latter case the camera to "BULB". Especially when shooting at night with eg 30 seconds exposure strange results come out, if you wanted, if necessary every 15 seconds (after exposure) take a picture. If you have found the intricacies, or checked, then the fun is in the use actually nothing in the way.
