Fast Charging USB Tester: Current & Voltage Meter with Digital Display V21

Experience precise monitoring of your electronic devices' charging performance with this innovative USB tester. Designed to accurately measure both current and voltage, this tool features a clear digital display for easy readability. Compact and user-friendly, it ensures optimal charging efficiency while helping to safeguard the longevity of your devices. Perfect for tech enthusiasts seeking a reliable solution to monitor and enhance their charging setups. Voltage Measurement Error: Plus or minus 1% Manufacture country: China Instructions included: No

manufactureCountry: China