XSCORPION VOLTMETER DIGITAL 3 DIGIT LED DISPLAY SILVER

XScorpion LED Digital Voltmeter, silver SURFACE OR FLUSH MOUNT ALUMINUM FINISH HOUSING - BLACK FACE 1 7/8" DIAMETER HOLE x 5/8" MOUNTING DEPTH (2 1/8" x 1" OVERALL) 2 WIRE POSITIVE OR NEGATIVE HOOK UP AUTO SENSING TURN ON 3 DIGIT RED LED DISPLAY