12V Car Battery Monitor Tester BM2?? bluetooth 0 Device for 6V-20V Vehicle – Car Electronic Gadgets

Quick Overview

• Receive notification of battery conditions when enter bluetooth range
• Check starting system and charging system (alternator)
• List the time of each driving
• Alert mobile phone if some data abnormal
• Short-circuit and reverse connection protection
• Data stored in device up to 31days if out of sync
• Automatic synchronization when enter bluetooth range
• Compatible with all 12-volt vehicle batteries
• Review historical data graphically
• Engine starting detect automatically
• Free app for iOS & Android