Multifunction KONNWEI KW870 car OBD2 scanner + 6V 12V battery tester

KONNWEI KW870 is the perfect combination of a check engine code reader and 6V & 12V car battery alternator load tester. Not only can this obd2 scanner read live O2 sensor, freeze frame data, on-board monitor test data, turn off Check Engine Light (MIL), clear codes and resets the monitor, retrieve vehicle information(VIN, CID and CVN). Also, it can provide an overall analysis of batteries’ health and help you know their status in advance before it dies. Cost-effective and practical Welcome distributors and retailers