Digital Voltmeter Ammeter with Voltage and Current Display Voltage range: 0–100V DC Current range: 0.0–10A Simultaneously displays voltage in red and current in blue on LED screen Compact design for flexible installation Powered by the measured circuit—no external power source required Equipped with built-in trimmer potentiometer for easy calibration Specifications: Material: Plastic + PCB Color: Black LED Display Color: Red (voltage), Blue (current) Dimensions: Approx. 48 x 29 x 22mm (1.89 x 1.14 x 0.87 inches) Mounting Hole Dimensions: Approx. 46 x 27mm (1.81 x 1.06 inches) Wire Length: Approx. 15cm (5.91 inches) Operating Temperature: -10°C to 65°C Voltage Measurement Range: 0.0V – 100V Current Measurement Range: 0 – 10A Power Supply Range: DC 4 – 30.0V Voltage Accuracy: ±0.1% Current Accuracy: ±1% Working Current: Low power consumption, powered through measurement circuit