LAUNCH X431 O2-2 Scopebox has undergone minor hardware changes, but it is otherwise identical to the previous O2-1 model. The O2-2 oscilloscope is an additional module for Launch PRO and PAD series diagnostic scanners. With this tool, you can perform deeper diagnostics of automotive sensors, communication buses, actuators, and more. Using this module will expand the functionality of your scanner and help you locate faults more quickly.