<p>Measure the remaining battery capacity percentage (using the battery grid) and the remaining capacity AH number.Measure the magnitude of DC positive and negative bidirectional current.</p> <p>Measure the .Measuring DC positive and negative power size.Measure the positive and negative DC positive and negative cumulative energy size.Over-voltage alarm flashing function, the alarm voltage size parameters can be set.</p> <p>Low voltage alarm flashing function, the alarm voltage size parameters can be set.Overcurrent alarm flashing function, the alarm current size parameters can be set.</p> <p>The remaining battery low alarm flashing, the battery will continue to flash, prompting the user to charge.Charging, battery water light rolling tips.Full voltage automatically fill the battery capacity function.</p> <p>Clear current function.Clear the accumulated power function.Backlight can be manually turned off or on.</p> <p>Power-down data save function, power-off when the battery power, accumulated power, etc. are automatically saved when power-down.</p> <p> sensor isolation measurement, safe, reliable, easy to install.</p> <p> full-viewing angle LCD screen, 360 degrees without dead ends. With backlight, no matter night, daytime, interior, room Outside, direct sunlight are clearly visible.</p> <p>Wide supply voltage range: DC5 ~ 90V</p> <p>Current resolution 0.1A 0.1A 0.1A 0.2A</p> <p>Supply voltage range DC5 ~ 90V</p> <p>Voltage measurement range DC0 ~ 300V</p> <p>Voltage resolution 0.1V</p> <p>Capacity measurement range 0 ~ 999AH</p> <p>Power measurement range 0 ~ 999KW</p> <p>Energy measurement range of 0 ~ 999KWH</p> <p>Table measurement error + -1%</p> <p>Refresh rate of 0.5S refresh time to display information</p> <p>Installation slot size 76.0mm x 39.5mm</p> <p>Sensor threading hole diameter 20mm</p> <p>Operating current when the backlight is lit: 10MA. When the backlight is off: 4MA.</p> <p>Colour:Black</p> <p>Material:plastic</p> <p>type:C: 50A With Bluetooth</p> <p>Package Contents:</p> <p>1 x Hall Coulomb Meter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>