Product Name: Analog Voltmeter;Type: 44C2;Measuring Current Range: DC 0-5V Accuracy: 1.5;Operating Temperature: -20 ~40°C;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: Long One: M4 x 11mm (D*L) Short One: M3 x 7.5mm (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: 115g;Package Content: 1 x Analog VoltmeterSeveral Installing Parts