Dual-display USB detector: voltmeter, ammeter, voltage, battery capacity, multifunction capacity, USB charger, electrical tester (two-color)

PRODUCT SPECIFICATIONS: Supply voltage: 3.2-15V. Test current: 0-3A, maximum current: 10A. USB extension cable: ≥ 120mm. Measurement accuracy: 0.1% ± 3 digits. WIDE APPLICATION: This USB detector can charge most mobile phones, power banks, tablets, and other USB devices, as well as two phones simultaneously. PRODUCT FEATURES: The built-in smart recognition chip automatically selects the most suitable and safest current for your phone and tablet. MULTIFUNCTIONAL: With its data communication and charging output voltage measurement functions, this detector offers stable, safe, and reliable performance and is easy to use. EXCELLENT PERFORMANCE: Made with high-quality materials, this voltmeter is durable, wear-resistant, and corrosion-resistant, designed for extended use. Its compact size allows it to simultaneously display USB input/output voltage and current on the same screen, alternately, or to display a single measurement of capacitance and power.