Car Battery Tester Bluetooth BM2 Battery Monitor 12V Battery Analyzer Charging Cranking Test Voltage Test For Android IOS PhoneBM2 Bluetooth 4.0 Battery Monitor Feature:Support: All 12V Car BatteryAvailable:Android 4.3 and LaterIOS: IOS 7.1 and LateriPhone: 4s and LateriPad: iPad 3 and LaterLanguage:Multi LanguageConnection method:Bluetooth 4.0App 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 drivinCompatible with all 12-volt vehicle batteriesCheck charging and cranking(alternator) systemsEngine starting detect automaticallyReceive notification of battery conditions when enter Bluetooth rangeShow voltage & charge info. when user is close to the vehicle,no need open appAutomatic synchronization when enter Bluetooth rangeData stored in battery monitor up to 35 days if out of syncAlert mobile phone if some data abnormalCheck starting(cranking) system when each time engine startedCheck starting voltage each hundredth of a second when engine is startingReview historical data graphicallyProtection of short-circuit and reverse connectionBM2 Bluetooth 4.0 Battery Monitor NOTE:1. Alert users if charge is low2. Review charge history in graph mode3. Show the state of charge of battery in real time4. Near-Filed Perception to get notification automaticallyBM2 Bluetooth 4.0 Battery Monitor Package List:BM2 Battery detector X1User manual X1BM2 Bluetooth 4.0 Battery Monitor Phone Screenshoot:1.Check battery health and starting voltage each hundredth of a second when engine is starting 2. Check starting cranking system voltage and review historical data graphicall. 3. Check batteries charging system voltage when engine work low and high speed, and feedback to you. 4. monitor vehicle battery work histroy and feedback trip infiormation to you any time.