Three wire connection

Measure from Yellow wire and power from Red wire; Black wire is common ground

Display color: Red, Yellow, Green, Blue

Permissible error: 1%(±1 digit)

There is multiturn potentiometer if the accuracy need adjustment

Display: 3x 0.28'' LED digital segment indicators

Size: 3.10 x 1.10 x 0.70cm (L*W*H)

Current Consumption: <20mA(Generally 5-15 mA)

Lead wire length: 15cm +

Measurement range: 

*DC 3-30V when Yellow and Red are connected together

*DC 0-99.9V when apply up to 30V to the red wire and use Yellow one for measuring; Black wire is common