3 onboard LEDs for simplified programming & diagnostics; Preloaded firmware for maximum compatibility; Harness part bag; Two 2-way datalink ports for data-to-data (RS-232) communication with compatible external devices such as smartphones & GPS telematic units; All EVO-ALL I/O for full-fledged data & analog vehicle functions' coverage; Self-learning algorithm auto-detects vehicle during programming & adjusts accordingly;