Specifications:
App Name: Battery Monitor BM2
An APP can manage multiple Automobile
(Dear firned, when you buy this order, pls check your Phone APP Store or Android Market  have this product APP.)
Support: All 12V Car Battery
Available: For Android 4.3 and Later
For IOS 7.1 and Later
For iPhone 4s and Later
For iPad 3 and Later
Language: English
Connection method: Bluetooth

Advanced Features:
Installed in the car battery Real-time Monitoring Through Mobile Phone  APP
(Free app for both iOS & Android)
List the time of each driving
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

Package Includes:
1* Battery Monitor BM2

Note:
Alert users if charge is low
Review charge history in graph mode
Show the state of charge of battery in real time
Near-Filed Perception to get notification automatically