LYL&reg; Super Mini Wireless WiFi OBDII Diagnostic Scanner for iPhone iPad iPod The chip is ARM chip whose speed is faster and the communication speed is doubled than Wi-Fi OBD (CLK DEVICE) It has the function of auto power off energy-saving and protection; When the main chip is detected not in communication for an hour then the device will be off automaticly and get into energy saving state The real J1939 and the stable J1979 protocol provide customers w/ second development; Supports all Wi-Fi systems (Android PC Wince Iphone Ipad); Distributes address freely which is not same as the traditional ADHOC providing a clear and simple connection for customer; Support OBDII/EOBD2 protocols: ISO 15765-4 (CAN-B 125Kbps, started since 2003 in USA) ISO 15765-4 (CAN-C 500Kbs, 11bit ID, 29bit ID, started since 2003 in USA) ISO 14230-4 (KWP2000) ISO 9141-2 (5 baud init. 10.4 kbaud, replaced by 14230-4 gradually, stopped in USA in 2008) SAE J1850 VPW (10.4 kbaud, replaced by 14230-4 gradually, stopped in USA in 2008) SAE J1850 PWM (41.6 kbaud, replaced by 14230-4 gradually, stopped in USA in 2008) SAE J1939 the Data link connector standard Read more than 3000 car manufacturers' stand DTC and private DTC (diagnostic trouble codes) and its meaning. Clear DTC, turn off dashboard MIL