Autel MK808 MK808S is a powerful Android tablet with intuitive seven-inch touch screen capable of scanning all available modules for faulty codes and aiding in performing an extensive list of the most popular maintenance services. Consists of the MD802 and MexiCheck Pro, this diagnostic tool provide you with advanced full-systems diagnoses. You are able to test not only 4systems but other systems including Body, Chassis, Powertrain, Communication and more.