12V Battery Monitor Via blue-tooth 4.0 Voltage Meter Tester W/Auto Alarm BM2

Specification:
Name:Battery Monitor
blue-tooth:4.0
App Keyword:BM2
Average Current:1 mA
Voltage Accuracy:±0.02V
Input Voltage:6~20V
Operating Temperature:-40℃~85℃
Physical Dimensions:5.5 x 3.5 x 1.5 cm
Short-circuit Protection:Built-in
Reverse Connection Protection:Built in
Support:All 12V Car Battery
Available:Android 4.3 and Later
IOS:IOS 7.1 and Later
For iPhone:4s and Later
For iPad:For iPad 3 and Later
Features:
Engine starting detect automatically.
Compatible with all 12-volt vehicle batteries.
Check charging and cranking(alternator) systems.
Protection of short-circuit and reverse connection.
Receive notification of battery conditions when enter blue-tooth range.
Show voltage & charge info. when user is close to the vehicle,no need open app.
When close to the car, mobile will receive all these information automatically.
Installed in the car battery Real-time Monitoring Through Mobile Phone APP(Free app for both iOS & Android).
Automatic synchronization when enter blue-tooth range.1）Data stored in battery monitor up to 35 days if out of sync.2)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.
Warm Tips:
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.
Package Included:
1 X:12V Car Battery Monitor Tester