Made of plastic material and finished by good technology. 85C1-A Analog Current Panel Meter with accuracy of Class 2.5 can measure current between 0 AMP and 5 AMP. Size: ~2 1/2 inch x 2.2 inch x 2 1/8 inch (L x W x H) Color: As shown Measures current range of DC 0-10A with accuracy of Class 2.5 Clear and easy to read scale and a button for fine tuning the dial. Material: Plastic This 85C1-A Panel Meter is specially designed for measuring current and monitoring battery & electrical system. The DC 5A Ammeter offers users great simplicity and easily reading. The Analog AMP Panel Meter is low power consumption and long lasting. Package Contents: 1 x DC Voltmeter 2 x Screw Nuts 4 x Washer 1 x Analog Ammeter , Several Installing Parts 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. Thread Size: 0.28 x 0.75cm / 0.11 x 0.30(D x L) Measuring Current Range: DC 0-10A Overall Depth: 5.7cm / 2.24 Meter Face Size(): 6.3 x 5.5 x 1cm / 2.5 x 2.2 x 0.39(L x W x T) set2: 1 x DC Voltmeter + 1 x Analog Ammeter , Several Installing Parts