Main Functions: 1.Receives notifications of battery conditions in Bluetooth range. 2.Checks vehicle cranking system automatically while engine is starting. 3.Checks charging system (alternator) 4.Lists the time of each driving. 5.Alerts mobile phone if detects abnormal data. 6.Short-circuit and reverse connection protection. 7.Data stored in battery monitor up to 35 days if out of sync. 8.Automatic synchronization when in Bluetooth range. 9.Compatible with all 12V vehicle batteries. 10.Shows historical data graphically. 11.Engine starting detection automatically. 12.Free app for iOS and Android. 13.Support multi-battery management 14. Exclusive private account, data will not be lost 15.Car location seeking function via google map. 16. Trip record with map and route. 17.Works with all 12V batteries./Wireless (Bluetooth 4.0) in10 meter./ Software included for Android and iPhone./All Apps for Android and iPhone are designed by ourselves,download for free via Internet. Basic Features: 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-Filled perception to get notification automatically. Support mobiles: All iOS and Android smart phone with Bluetooth 4.0 iOS (iPhone 4S,5, 5C, 5S and lateriPad 2iPad AiriPad miniiPad mini 2 and later) Android: at least Android 4.3 (support for Bluetooth 4.0 phones) Vehicle Coverage All 12V batteries, including motorcycle, car, SUVs, MPVs, light trucks, trucks, and boats. Including the Lead-Acid, AGM, GEL, EPB batteries. Package including: 1pc x Battery monitor BM6 + 1pc x manual Specifications: 1. Product Name: Battery Monitor 2. Bluetooth Version: 4.2 3. Bluetooth Name: BM6 4. Input Voltage: DC 6V ~ 20V 5. Voltage Accuracy (9V~16V): 0.03V 6. Average Working Current: 1.5mA 7. Working Temperature: -40C~90C (-40F~194F) 8. Reverse Connection Protection: Built in 9. Short-circuit Protection: Built in 10. Waterproof: IP67 11. Physical Dimensions: (L)55mm x (W)41mm x (H)12.5mm 12.Currently supported languages: English, German and Chinese