FNB18 USB Color Screen Tester DC Digital Voltmeter Amperemeter Current Voltage Meter Amp Volt Ammeter Detector Power Bank Recharger Indicator

Features: Adopting 8192 pixels true color screen LCD HD display. Fully powered off, timing shutdown, multi-screen design, precise measurement, wide voltage, low internal resistance. You can switch between different test content interfaces by short pressing the multi-function button.