Digital voltmeter ammeter dual led voltage current measurement module

Specifications:

Swift response recovery characteristics.
Ensures longevity and dependable stability.
High precision with four-digit displays.
Voltage minimum resolution: 0.1V
Current minimum resolution: 0.01A
Display: Three 0.28″ LED digital tubes
Display colors: Red for voltage, Blue for current (dual-color display)
Mounting cutout dimensions: 45.5 x 26.5mm
Refresh rate: Approximately 500mS per refresh
Operating temperature range: -10 to 65ºC
Operating Humidity: 10 to 80% (non-condensing)
Features:

Requires external power supply with reverse connection protection.
Ground wire of testing end and power supply terminal are unified for convenience.
Incorporates built-in shunt and offers voltage and current calibration potentiometers.
Ideal for monitoring automotive/electric vehicle/motorcycle batteries or other products requiring voltage and current measurements.