BM300 Fetures. Scan to download BM300 app, your phone is in Bluetooth range of device, then operation guide as below After above settings, run BM300 app, Bluetooth can be connected automatically if in Bluetooth range.

Color: Black
Size: ANCEL Battey Tester
Package Dimensions LxWxH: 5.12x4.37x1.14 Inches
Weight: 0.18 Pounds
Brand: ANCEL
Manufacturer Part Number: automotive battery tester
Voltage: 12V
Features: Bad Cell Detection
Battery Test Type: AGM, Gel, Flooded, Lead-Acid
Warranty: 1 Year