The MST-300 is a handheld OBD-II scan tool with large LCD display and solid design. It is extremely user friendly and designed for anyone to use, not just the automotive professional. It is an easy and economical investment for the do-it-yourselfer or beginning technician.   Features: 1.      read codes 2.      erase codes 3.      live data 4.      view freeze frame 5.      I/M readiness 6.      02 Monitor test 7.      on board Mon. test 8.      component test 9.      vehicle information. 10.modules present 11.unit of measures   Except diagnostics, it supports DTC lockup, review data, print data, system setup, tool information.   Hardware: 1. Large LCD display: 128 x 64 pixels with contrast adjustment and backlight.
2. Stronger and more durable than most equipment on the market.
3. Operates in temperatures from -20℃ to 50℃ (-4° F to 120°F).
4. Operates on 9-15V DC provided by vehicle battery.
5. Offered in blue, yellow or red    Support Protocols: 1.SAE-J1850 PWM.
2. SAE-J1850 VP.
3. ISO-14230.
4. ISO-9141.
5. ISO-15765-4 (CAN BUS)   Language: english, Spanish, French, Germany, Dutch