Analog Panel Voltmeter Volt Meter AC 0 - 300V Measuring Range 44L1 Product Name : Analog Voltmeter;Type : 44L1;Measuring Current Range : AC 0-300V Accuracy : 1.5;Operating Temperature : -20 ~40C;Insulation Force : AC 2KV, 50Hz Panel Size(Approx) : 100 x 80 x 12mm / 3.9" x 3.1" x 0.47"(L*W*T);Thread Size : LongOne: 4 x 11mm / 0.16" x 0.43"(D*L)Short One: 4 x 9mm / 0.16" x 0.35"(D*L);Overall Depth(Not Included Screw ) : 48mm / 1.9" Mounting Size : 50 x 36mm / 2.0" x 1.4";Color : Black, White, Clear Net Weight : 124g;Package Content : 1 x Analog VoltmeterSeveral Installing Parts