3-Digit DC LED Double-Display Voltage Current Meter DC 100V 10A

Perfect functions in one set of voltage and current meter, measuring current power from the measuring circuit, no separate power supply isolated power supply

On-Board wire information: 

Thin red wire VCC: Power supply input positive (3.5~30V)

Thin black wire GND: Power supply input negative (3.5~30V)

Thin yellow wire VIN: Measured signal input positive (0~100V)

Thick red wire I+: Current input positive (Negative in the power supply must be connected in series)

Thick black wire I-: Current input negative (Negative in the power supply must be connected in series?)

General
Model | 121502
Quantity | 1 piece
Form Color | Black
Material | Plastic + components