Specification Brand : ViaGasaFamido BulletPoint1 : TECHNICAL PARAMETERS: The operating voltage of the battery monitor is DC8‑30V, and the measuring voltage is DC8‑30V, support the voltage and remaining power measurement of lithium batteries, batteries, and lithium iron batteries BulletPoint2 : PORTS: The battery monitor has USB and Type C ports to measure the battery voltage and remaining while charging other devices, useful and practical BulletPoint3 : POWER OFF MEMORY: Battery monitor with power off memory function. Once the proper mode is set, the settings are retained even after a power outage. No reconfiguration is required for subsequent use, easy to operate BulletPoint4 : PREVENT REVERSE POLARITY AND LOW VOLTAGE FLASHING ALARM: The battery monitor provide prevent reverse polarity. When the measured voltage is low, the screen flash to alert user BulletPoint5 : VERSATILE APPLICATIONS: Battery monitor is suitable for installation in golf carts, cars, RVS, motorcycles, ships and a variety of other Settings to measure battery voltage and remaining capacity. Also suitable for battery capacity and voltage testing in high and low voltage distribution cabinets, display cabinets, photovoltaic inverters, assembly line testing, electronic maintenance, DIY electronic projects and other fields Color : Black ExternallyAssignedProductIdentifier : 7629662675352 GpsrSafetyAttestation : 1 IncludedComponents : No ItemName : Battery Monitor, DC8‑30V Car Battery Tester Automotive Battery Monitor for Car RV Motorcycle Truck Boat Phone ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : auto-battery-testers Manufacturer : ViaGasaFamido Material : plastics MeasurementAccuracy : 0.1mm ModelName : ViaGasaFamido9f0d31bsop ModelNumber : ViaGasaFamido9f0d31bsop NumberOfItems : 1 PartNumber : ViaGasaFamido9f0d31bsop ProductDescription : Spec: Item Type: Battery Monitor Model: 6140 Material: PC Voltage Detection Range: DC8-30V Operating Current: Display Method: LCD screen Display Screen Color: White USB Output: QC2.0, QC3.0, Maximum Output: 18W(5V 3.4A, 9V 2A, 12V 1.5A) Type C Output: QC2.0, QC3.0, Maximum Output: 18W(5V 3.1A, 7V 2.4A, 9V 2A, 12V 1.5A) Power Off Memory: After setting the parameters, there is no need to reset when the power is off and then back on