UPGRADED VER.OF XTOOL AD10/AD20>> XTOOL AD20 Pro Wirless OBD2 Scanner is equipped with fast BT 5.0 communication within an extended range of around 33 feet, a low-cost way for DIYers to read/clear codes to locate the car issues before taking it to the dealer. AD20 Pro can pair with both iOS and Android smart devices, download the “Advancer AD20” from G00gle Play or App Store to get a plethora of functions, including Check Engine Light On, Full System Diagnostics, 10 Modes of OBD2, etc.