... is an ELM327. The output procotol ( connection to laptop) is RS232.2, OBD-II Protocols: ISO15765-4 (CAN) ISO14230-4 (KWP2000 ... , Baud rate: 9600 or 384005, Indicator LEDs: OBD Tx/Rx, RS232 Tx/Rx, Power6, Operating voltage:12V, internal protection from short ...