uxcell DC 0-20V Fine Tuning Dial Voltmeter Voltage Panel Meter Product Name: Analog Ammeter; Model No.: YS-50; Measuring Voltage Range: DC 0-20V. Accuracy: Class 2.5; Meter Face Size(Approx): 5 x 5 x 1cm / 1.97" x 1.97" x 0.4"(L*W*T). Thread Dia(Approx): 0.38cm / 0.150"; 0.28cm / 0.110". Overall Depth: 4.5cm / 1.8"; Color: White; Material: Metal & Plastic; Net Weight: 56g. Package Content: 1 x Analog Voltmeter; Several Installing Parts.