KNS Mini WIFI Wireless ELM327 V1.5 OBDII Code Readers Scan Tools Auto Diagnostic Scanner Car Diagnostic Tool Support IOS Android and PC Platforms ELM327 is the newly developed scan tool. It supports all OBD-II protocols and is dispatched with a number of compatible programs. The ELM327 OBDII interface is an engine performance and diagnostics tool for automotive professionals and enthusiasts that allows you to connect your car's on-board computer from your any enabled device with the compatible application or software. Operating voltage: 12V, internal protection from short circuits/overvoltages. Nominal idle current: 45 mA. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning.