0.36 inch DC 4.5v-30v 3-Wire Mini Gauge Voltage meter Voltmeter LED Display

• Measuring range: DC 0.00V-30.0V
• Power supply range: Red: DC4.50-30.0V, Green: DC 4.70-30.0V, Blue: DC5.00-30.0V
• Working current: Red Less than 23mA, Green Less than 18mA, Blue Less than 13mA
• Measurement accuracy:+/-1 %(+/- 1 digit)
• Refresh Rate:about 300mS/
• Operating Temperature:-10 c ~ +65 c
• Display:Three 0.36 inch LED digital display
• Display Color:Green/Red/Blue
• Lead length: 15cm
• Size:23 x 15 x 10 mm
• Mounting holes distance:28mm
• Hole diameter:2.8mm

Connections :

Red Wire: Positive of the Power supply

Black Wire: Negative of the Power supply and also used as the negative of the measurement voltage source

Yellow/White/Blue: Positive of the measurement voltage source