DROK® Digital Voltmeter Gauge DC 0-600V Voltage Meter Gauges Power Supply AC/DC 9 to 12V Blue LCD Digital Display Voltage Tester Monitoring

Feature: Range: DC 0-600V (Need Extra Power Supply) Power Supply: 9-12V Backlight colors: Blue Power Consumption: Resolution: 0.5% ±2 digit Cutting Size: 76x39 mm Dimensions: 79x43x25 mm Wiring: 1 & 2: Power Supply Port (Do not distinguish between positive and negative, Can Input Directly) 3 & 4: Measure Port (If Reversed will display Negative number, With reverse polarity protection) Package Includes: 1x Digital Voltmeter