This is KWP2000 KWP 2000 Plus OBD2 II ECU Remap Flasher Chip Tuning Tool. You need a computer. Installing KWP2000 plus software. Connect USB (Universal Serial Bus) cable to your PC. Connect to your car via standard 16-pin OBD2 connector. Supports high speed ECU flashing. Led indications for USB (Universal Serial Bus)-power Car-power/rx/tx. Support KWP2000+ software & other KWP/ ISO software.