Obd2 Scanner and Battery Tester: the AL500B is a 2-in-1 tool that works as an OBD2 code reader and 12V battery tester. Cranking and charging tests are supported for 12/24V batteries 10+ Obd2 Functions: it supports full OBD2 functionalities, including reading and clearing DTCs, viewing Freeze Frame Data, and performing ECU version lookup. It boasts a one-touch I/M ready button for a quick smog status check and intuitively displays data stream with a waveform graph Free Software Update: this code reader can be upgraded for free, simply connect the device to a computer and install the updates through TOPDON's website. Scanners with similar features usually require yearly subscriptions Print Reports: this scanner enables you to print diagnostic reports and battery tests for effortless saving and review Multi-Language: both the menu and DTC definitions are available in 7 languages English, French, German, Spanish, Portuguese, Japanese. Wide Compatibility: this OBD2 code reader works on most US-based cars since 1996, EU-based cars after 2000, and Asian-based cars after 2008. Our hotline provides 24-hour technical support for prompt problem resolution.