【2022 Professional Bluetooth Battery Tester】 BST360 using the newest Bluetooth technology to detect the car battery, you no longer have to stand in front of the car waiting for your testing work, after connecting the car battery you can open the app on your phone/tablet Features 1. Real-time monitor the battery health status include. 2. Staring and charging system analysis to determine related faults/issues. 3. Allow the user to download test reports on their smartphones and diagnostic scan tools by Bluetooth wireless technology 4. Portable and lightweight with compact and practical usability 6 kinds of tests 1. Ripple Detection 2. Battery Test 3. Electric Current Test 4. Starter Test 5. Charging System Test 6. Voltage Test Compatible with IOS&Android Smartphone Compatible with LAUNCH X.