0.96 OLED Display USB Voltmeter Ammeter Voltage Current Meter 3-16V 4A MCP3421 Double-sided Plug Tester

Product Features: 1. High Precision: STM32 microcontroller, MCP3241 built-in high precision reference, DALE12 milliohm sampling resistor, optimization algorithm, 0-16V, 0-4A, 1mV/1mA level error 2. Beautiful Appearance: 0.96 inch OLED, exquisite and compact, 52 x 22 x 10mm volume 3. Multiple Parameters: Voltage, current, power, capacity, power, time, temperature, D+D- 4. User-friendly: Single button to complete the switch and reverse screen finish clearing Product Parameters: Working method: Digital display Accuracy: Three and a half Operating voltage: 3-16V Working current: 0-4A Instruction Manual: 1. Double side pluggable USB head (very small contact resistance) plug in USB power outlet. 2. The USB port on the other end is connected to the USB device, and the screen displays the power supply parameters of the device. Package Included: 1 x High Precision USB Parameter Table