App :ANCEL BM200. Bluetooth Version: 4.2. Applicable Battery: 12V lead-acid&lithium battery. Press the app on your phone, it should connect to the device. As it is Bluetooth (4.0), it does not need to pair and connect the automatic battery monitor automatically.

Brand: Ancel
Manufacturer Part Number: ancel BM200 battery tester 12v
Warranty: Yes
Country/Region of Manufacture: China
Accessories: Original packages
Features: Charging Cranking System Test, Bad Cell Detection, Multi-Language Interface
Custom Bundle: No
Voltage: 12V
Set or Single Item: Single Item
Compatible with: Android & iOS
Fit for: 12V Motorcycles/Boats/Cars/Trucks
Input voltage: DC 6V ~ 20V
App: Ancel BM200
Bluetooth Version: 4.2
Voltage Accuracy (9V~16V): ±0.03V
Average Working Current: 1.5mA
Working Temperatur: -40°C~90°C (-40°F~194°F)
Reverse Connection Protection: Built in
Short-circuit Protection: Built in
Waterproof: IP67
Physical Dimensions: (L)55mm x (W)41mm x (H)12.5mm