Product Description for Dual Display Digital Volt-Amp Meter Unlock precise electrical monitoring with our Dual Display Digital Volt-Amp Meter. Designed for accuracy and reliability, this advanced meter provides simultaneous readings of voltage and current, making it an indispensable tool for both professionals and hobbyists. Dual Display: Monitor voltage and current concurrently with ease. The meter operates on a power supply range of DC 3.530V, with a voltage test range of 0~300V and a current test range of 09.99A, delivering comprehensive insights into your electrical systems. Good Consistency: Manufactured with an exquisite Surface Mount Technology (SMT) process, this meter features a common ground design where the measurement end and power supply ground wire are connected, excluding isolation tables. This ensures uniform and reliable measurements. Calibration: The meter comes equipped with both voltage and current calibration potentiometers, allowing you to self-calibrate and correct any discrepancies in readings. This feature ensures ongoing accuracy and reliability. High Performance: Incorporating a decimal point automatic shift design, this voltmeter boasts strong anti-interference capabilities and rapid display refresh speeds. Stay informed with quick and precise data, even in challenging environments. Practical in Use: Designed for easy connectivity, this meter supports a wide power supply range of DC 3.530V (excluding isolation meters) and features reverse polarity protection. This makes it both versatile and safe to use in various applications. Enhance your measurement capabilities with our Dual Display Digital Volt-Amp Meter. Combining precision, ease of use, and robust construction, this tool is essential for anyone needing accurate and reliable electrical data.