• Digital voltmeter and ammeter with 0.28-inch LED display and red visualization. • Voltage measurement range from 0 to 100 V DC and current measurement range from 0 to 50 A. • Includes external 75 milliohm shunt necessary for the operation of the current meter. • Reverse connection protection to prevent damage to the device due to wiring errors. • Permitted operating voltage between 4 and 30 V DC to power the device. • Measurement accuracy of 1% with a voltage resolution of 0.1 V and current of 0.01 A. • Compact and durable design with a refresh rate of approximately 300 ms. • Versatile for battery monitoring in vehicles, motorcycles, boats, or industrial and domestic applications.