What's in the box:

BT4.0 6~20V Input Voltage Battery Monitor Automobile Battery Monitor Tool Diagnostic Tools Connect Smartphone APP for 12 V Vehicle Battery (Standard)

This automobile battery monitor tool is suitable for the 12 V vehicle battery, with the function of data storage, connect with the smartphone APP through the BT and so on, it is useful in your daily routine or even your work. Come on and try it, it will not let you down.

Features:
Receive notification of battery conditions when enter BT range, which can save your time.
It can check the vehicle cranking system automatically while engine is starting, and also check the recharging system.
It also can list the time of each driving anf will alert your smartphone if some data abnormal, and also has the short-circuit and reverse connection protection.
With the function of data stored in battery monitor up to 35 days if out of sync, and it will automatic synchronization when enter BT range.
This battery monitor suitable for the 12 V vehicle batteries and you can review the historical data graphically.

Specifications:
Material: plastics
Average current: 1mA
Voltage accuracy: 0.02V
Input voltage: 6~20V
BT name: battery monitor
Short-circuit protection: built in
Reverse connection protection: built in
BT: 4.0
Operating temperature: -40?~85?
APP keyword: BM2
Available: Android 4.3 and Later
IOS: IOS 7.1 and Later
Item size: 55 * 35 * 15mm / 2.2 * 1.4 * 0.6in
Package size: 170 * 135 * 20mm / 6.7 * 5.3 * 0.8in
Package weight: 85g / 3.0ounce

Packing list:
1 * Battery Monitor