2 in 1 OBD2 Scanner & Battery TesterDonosHome DH77 is suitable for 5-36V batteries from 20 up to 3300 CCA; The DH77 not only covers the engine system, such as EVAP system test and on-board monitoring test and other complete OBD2/EOBD diagnostic functions, which can fully control the vehicle's operating status, but also a professional battery analyzer for important vehicle data such as voltage, internal resistance, cold start, battery health, charging status, etc Compatibility & Convenience DeviceThe DonosHome DH77 is compatible with 99% vehicules which limited to the Amercican cars since 1996, and the Europe's car after 2003, the Asian cars begin from 2008; Bulit in a 3.2 LCD color screen and designed with 7 large rubber buttons on the oberse side for easy reading and maneuvering, the DH77, which also comes with a 1 meter OBD2 cable+50 cm detachable battery tester cable, can give us a comfortable touch and convenient use during the operation Accurate & Rapid Battery Ana