ELM327 1.5V USB CAN-BUS Scanner Device Description: Processor: ELM327 USB OBD-II Protocols: ISO15765-4 ( CAN) ISO14230-4 ( KWP2000) ISO9141-2 J1850 VPW J1850 PWM Output protocol: RS232 Baud rate: 9600 or 38400 Indicator LEDs: OBD Tx/ Rx, RS232 Tx/ Rx, Power Operating voltage: 12V, internal protection from short circuits/ overvoltages Nominal idle current: 45 mA