diagnostic scanner

In December I experienced a flashing check engine light while driving. I replaced all 4 O2 sensors and those seemed to smooth everything out. That thread: https://wranglertjforum.com/threads/check-engine-light-flashed-while-driving.67087/ Since then I've experienced two instances of hesitation...

So it’s time to stop borrowing friends OBD scanners. I’m partial to the Innova brand but open to others. I prefer one that is OBD1 and OBD2 compliant and has all the required cords and connectors. Not interested in the bluetooth models that connect to a phone. It needs to give me real time...