Upgraded of FOXWELL NT301, More Features: 2-IN-1 OBDii SCANNER with 12V BATTERY TESTER. Combines full OBD2 functions with battery health testing, one NT301 Plus is enough. With visual and audible LED indicator, this car scanner will timely indicate the OBD2 monitor status | Check Engine Code Reader: Capabling of Full OBDII functions, this diagnostic scanner can read Diagnostic Trouble Codes (DTC), Check Engine Light (CEL), clear error codes, show live sensor data with graph, freeze frame data, do the E-VAP leak testing, on-board monitoring tests, component test, and retrieve ECU info. Know car conditions before annual inspection | Easy S-M-O-G Test: Retrieving I/M Readiness status data by one-click I/M readiness key with Build-in LED Light. It can quickly indicate the E-mission status and show you the test results in Green, Yellow and Red LED light. And DTC's coded descriptions save time in locating the bad sensors or components and researching solutions | Timely Know Battery Life Status: The battery is a key component for vehicle start-up. The car battery tester can quickly identify issues with the car's battery, starting, and charging systems in seconds. This battery analyzer tester provides crucial information about battery health, helping you avoid roadside breakdowns and unnecessary repair costs | Powerful and Accuracy for Battery Test: This battery analyzer tester will show the state of health (SOH), state of charge (SOC), voltage, current, rating. Suitable for many types of batteries: AGM flat batteries, AGM, GEL batteries. Additional test functions: Cranking test to check the starter motor, Charging test to ensure the charging system works properly. Newly upgraded clamp with professionla FOXWELL chip which can increase the data accuracy up to 20% | Graphical Live Data and Lifetime Updates: Shows live vehicle sensor data in text and graph formats (Engine RPM, DTC Trigger and more). Being able to view sensor inputs in real time helps you to focus on any suspicious or symptom-specific data parameters. Supports data playback and printing through a computer, making repairs easier. Support lifetime updates via Windows 7/8/10 to stay current with the latest diagnostic developments