ANCEL can read data from car with the OBD2 Bluetooth Scanner. It has a powerful fault diagnosis function which can read fault codes frozen frames oxygen sensors and other data and provide fault explanations which can be used to clear the codes and turn off the Malfunction Indicator Lamp. With the necessary battery detection function you can use the mobile phone screen to click to check the health and voltage of your battery. It supports OBD2 full-mode diagnosis and also have a customizable dashboard and some driving assistance functions. For some models of scanner some special functions are also supported such as maintenance reset replacement of brake pads and throttle reset etc. It is a powerful and simple operation vehicle detection and driving assistance tool. Welcome to download and use it.