Double digital display - This voltmeter ammeter provides a double digital display that shows voltage and current simultaneously. The numbers are clear and bright for easy viewing, even from a distance. Wide voltage and current range - Measures DC 0-300V with selectable current ratings of 50A, 100A, 200A or 400A. Suitable for a variety of DC applications and environments, delivering accurate readings across different voltage and current levels. Accurate measurements - Uses Hall effect sensor technology to deliver precise and reliable measurements. You can trust the readings to support informed decisions about your electrical systems. Easy to read - The digital display is designed for quick, effortless monitoring of voltage and current values. Use scenarios - Battery charging and testing: Track charging voltage and current in DC power systems to ensure safe and effective charging. - Solar power and DC power supplies: Monitor real-time output and load to optimize performance and protect components. - DC motor and bench testing: Observe voltage and current draw during testing to verify operation and prevent overload.