Feature:1. Parameter Display: The multifunction coulomb meter can display real time voltage, real time current, real time power, remaining capacity, use time and other physical parameters.2. Display and Sensor: This coulomb meter adopts 12864 LCD display, clear and intuitive. With Hall sensor, supports charging and discharging bidirectional current detection.3. Parameter Settings: After connecting to Bluetooth, you can view all relevant data and curve on the phone, support setting parameters and operating functions through mini program.4. Applicable Scenarios: This high accuracy coulomb meter is used for monitoring the output voltage and current, as well as for charging and discharging battery, convenient and practical.5. Durable Materials: This Bluetooth coulomb meter is made of industrial grade ABS and flame retardant PVC materials, which are resistant to impact, low temperature, safe and reliable.Specification:Item Type: Coulomb MeterMaterial: ABS, PVCSpecification: 120V 100A.Package List:1 x Monitor1 x Hall Sensor1 x 3 Meter Shielded Cable1 x 50cmXH2.54 Red Black Cable1 x Ribbon Cable1 x User Manual