The ELM327 HH Bluetooth Car OBD2 Scanner is a versatile auto diagnostic tool that supports all OBD-II protocols. Compatible with Android devices, it can read and diagnose trouble codes, display sensor data in real time, and clear trouble codes. With over 3000 generic code definitions, it is a reliable tool for car enthusiasts. Easy to use and install, this scanner is a must-have for anyone looking to maintain and troubleshoot their vehicle. Features: It supports all OBD-II protocols and works with all OBD-II compliant vehicles It is used to read and diagnose trouble code and clear trouble It can display current sensor data and analyze data in real time It can read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). It has clear trouble codes and Check Engine light Compatible with PC / Plam / Window phone / Android phone For Android user: Please download the APP Torque from the Android market.Install and pair between a Bluetooth device and your phone. Specifications: Bluetooth Version: V1.5 Operating Voltage: 12 V Package Included: 1 x OBD2 Scanner 1 x Mini CD Disc Notes: 1. Due to manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.