MULTIPURPOSE - The analog panel ammeter applies to display panels and large switch panels installed in various control systems and power distribution systems.WHAT YOU GET - The package comes with an ammeter and some mounting parts that measure: Ammeter Panel: 2.8x2.8x1.8inch(L*W*T); Thread Diameter: 0.2inch/0.1inchRELIABLE MATERIAL - The case of this ammeter is made of clear plastic, you can read the scale clearly.SPECIAL DESIGNED - Model: SQ72; Measuring Range: AC 0-5A; Accuracy of Class: 1.5KINDLY NOTE - Do not knock or shake the ammeter.