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OBD-II Protocols: ISO15765-4 (CAN) Indicator LEDs: OBD Tx/Rx, RS232 Tx/Rx, Power Operating voltage: 12V, internal protection from short circuits/overvoltages Nominal idle current: 45 mA OBD-II Software for ELM327 USB is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer.

WIFI327 OBD2 scanner is the latest PC-based scan tool.It supports all OBD-II protocols and is dispatched with a number of compatible programs. The output protocol (connection to laptop) is USB cable.

wifi elm327chip is ARM chip which speed is more faster and the communication speed is doubled than before one（CLK DEVICE）the shape looks elegant and refined, the design is near the Apple style,compared the （CLK DEVICE）,this new device is more exquisite,it doesn't using the cable but （CLK DEVICE）having.

Works with all OBD-II compliant vehicles * Software included for Palm, PDA * Software included for Windows PC * Software included for Windows Smartphone * Supports ISO 9141, KWP2000 * Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).