It is an excellent scanner but it has a steep learning curve for 3 reasons.
1. The manual is poorly written and less helpful than it could be. The manual gives you a pic showing the buttons and they are numbered. The opposite page gives you the "key" to the numbers, except it does not give you the numbers corresponding to the buttons, just a long list of the features of each button, without the cross reference of the number of each button in the pic. In other words it is a terrible "key" and since this scanner has been out for years it is something that should have been fixed years ago.
2. There are too many abbreviations to learn. It is easy to fit in the name of each reading and some are, but on this scanner they chose to use just letters instead of the name on many occasions. Unless you are familiar with the names in advance and are learning how to use a scanner to fix your car, it makes the learning curve much steeper.
3. The scanner has an accompanying app which keeps telling me that my car has a 61% chance that it needs a new catalytic converter in 15,000 miles. (At a cost of around $4-5,000 installed at a dealer) but no codes are present in the scanner and there is no explanation of why it came to this conclusion.)
4. One of the reading (I cannot get off this page to check which one) is registering 99.2% which I now know, after a trip to the dealer, that is impossible as it is the secondary O2 sensors which do not register any fuel trim. Apparently this is something the scanner inserted as a reading, though the reading is impossible as the secondary O2 sensors do not read fuel trim as they are located after the catalytic converter, thus it is a false reading. 2 mechanics at the dealer laughed when they saw the reading pic I had taken.