Bluetooth 4.0 12V Battery Monitor Car Battery Analyzer Test BM2 Battery Monitor Tester For Android IOS Phone BM2 Bluetooth 4.0 Battery Monitor Feature: Support: All 12V Car Battery Available:Android 4.3 and Later IOS: IOS 7.1 and Later iPhone: 4s and Later iPad: iPad 3 and Later Language:Multi Language Connection method:Bluetooth 4.0 App Name: BM2, please scan machine backup or user manual scan code, download software. BM2 Bluetooth 4.0 Battery Monitor Advanced Features: Installed in the car battery Real-time Monitoring Through Mobile Phone App. List the time of each drivin Compatible with all 12-volt vehicle batteries Check charging and cranking(alternator) systems Engine starting detect automatically Receive notification of battery conditions when enter Bluetooth range Show voltage & charge info. when user is close to the vehicle,no need open app Automatic synchronization when enter Bluetooth range Data stored in battery monitor up to 35 days if out of sync Alert mobile phone if some data abnormal Check starting(cranking) system when each time engine started Check starting voltage each hundredth of a second when engine is starting Review historical data graphically Protection of short-circuit and reverse connection BM2 Bluetooth 4.0 Battery Monitor NOTE: 1. Alert users if charge is low 2. Review charge history in graph mode 3. Show the state of charge of battery in real time 4. Near-Filed Perception to get notification automatically BM2 Bluetooth 4.0 Battery Monitor Phone Screenshoot: 1.Check battery health and starting voltage each hundredth of a second when engine is starting