12V Car Battery Monitor Via Bluetooth 4.0 Voltage Meter Tester W/ Auto Alarm

12V Battery Minitor Tester BM2 Bluetooth 4.0 Device For 6-20V Vehicle

Specification:
Model number: 821638
Product name: Bluetooth 4.0 battery minitor
Condition: New
Color: black
System voltage:12V
Input voltage: 6V-20V
Average current: 1mA
Operating temperature: -40鈩?~ -90鈩?br> Short-circuit protection: built in
Reverse connection protection: built in
Bluetooth: 4.0
App keyword: BM2
Bluetooth name: battery minitor
Dimension:55x35x16mm
Quantity: 1pc

Features:
1.Receive notification of battery conditions when enter Bluetooth range;
2.Check starting system and charging system (alternator);
3.List the time of each driving;
4.Alert mobile phone if some data abnormal;
5.Short-circuit and reverse connection protection;
6.Data stored in device up to 31days if out of sync;
7.Automatic synchronization when enter Bluetooth range;
8.Compatible with all 12-volt vehicle batteries;
9.Review historical data graphically;
10.Engine starting detect automatically;
11.Free app for iOS & Android;

Note:
1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.
2.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)
3.There Are No Instructions Included In This Kit.Professional Installation Is Highly Recommended!