ANCEL BM300 Bluetooth 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: please scan machine backup or user manual scan code, download software.ANCEL BM300 Bluetooth 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 connectionANCEL BM300 Bluetooth 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 automatically Meet to Variety Batteries Service, Help You with Your Needs ! Voltage Test Slider appears when you tap on the Historical Voltage Graph, displaying the test time time and the battery voltage. Cranking Test When the engine starts,the device will test the cranking system automatically and store the test result. Charging Test Checks charging system (alternator),click Start Test, it will automatically test idle condidtion voltage. Trip Recording This feature automatically records your route,mileage statistics, and other trip-related historical information. Abnormal Alert Function When the battery temperatiure abnormal, lower power,low voltage,system failure,it will automatically send an alarm to your mobile phone Status of Health Display (SOH) Battery NormalChargingLow Power 30 Days Historical Data It saves historical data for 30 days every 2 minutes, records the track, cost, anddriving habits of each trip, and can be exported to Excel files. OPERATING TEMPERATURE Compatible with All 12V Vehicle Boat Motorcycle Batterie Phone Screenshoot: