Very simple to use just plug in and use no batteries required.
Very safe to use and will talk to your car`s ECU safely.
Great easy storage size that fits in your pocket, is easy to hold and handle
Clear LCD backlit screen for ease of viewing.
No need for any other computers or software totally independent.
Can gain access to the car's VIN number and display it on the units screen. (some models)
Turn off your engine light and clear all codes.