2 Pcs Electronic Accessories: 1 x analog amperemeter & 1 x Analog Voltmeter Product Name: analog ammeter Model: SO-45;Current measuring range: AC 0-5A Total Depth: 47 mm Support Size: 37 x 37 mm (L * W) Measures voltage range of AC 0-300V with accuracy of Class 2.5.Clear and easy to read scale and a button for fine tuning the dial. Precision: class 2,5 Thread: 4,5 mm Product Name : Analog Voltmeter Model : SO-45 Measuring Current Range : AC 0-300V Accuracy : Class 2.5 Meter Face Dia.(Approx) : 45mm Thread Size : 4.5mm Overall Depth : 47mm Mount Size : 37 x 37mm analog amperemeter Weight: 42 G Color: Black Material: Bakelite + plastic Package content: 1 x analog amperemeter 1 x Analog Voltmeter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 2 Pcs Electronic Accessories: 1 x analog amperemeter & 1 x Analog Voltmeter Product Name: analog ammeter Model: SO-45;Current measuring range: AC 0-5A Total Depth: 47 mm Support Size: 37 x 37 mm (L * W)