Digital Voltmeter (0-100V) and Ammeter (10 A) Dual Led Voltage Current Measurement Module Wiring:- Black line (thin): vacant or buck circuit (module) Negative Red line (thin): power supply Positive Black line (thick): COM, common measuring Red line (thick): PW , measuring terminal voltage input positive Yellow line (thick): IN , current input Positive Package Contains:- 1 x Digital Voltmeter & Ammeter Module 1 x Two wire thin connector 1 x Three wire thin connector * Product Images are shown for illustrative purposes only and may differ from actual product.
