Well the stage6 rpm+temp is really a craptacular piece of junk. I have one myself and I wish I had not bought it.
You see, the numbers are only visible from 'above', it's LCD really has a bad viewing angle. If you look at it from 'below' (the way it fits best on most dashboards....) you won't see ANYTHING...
Also there are two buttons on it but you CAN"T switch to temperature directly. You have to press one of those fiddly buttons (impossible to press with gloves on) about 4 or 5 times before you get to see the temp.
You really have to let go of the throttle and concentrate on the thing for a vfew seconds or park your scoot to check the temp and switch back to rpm again.
Totally unacceptable.