Features 1、The scales on the dial are clearly visible, with black lettering on a white background and red pointers. 2、The wiring terminal is simple and convenient, embedded installation, beautiful and generous, quality assurance. 3、Convenient and practical, mainly used to directly measure the voltage in electrical circuits. 4、It can be used in a wide range of power equipment and electrical equipment in the power transmission and distribution system. 5、The shell made of high‑quality ABS material is wear‑resistant and durable, and can be used for a long time. Specification Item Type: Pointer AC Voltmeter Material: ABS Product Size: Approx. 63 x 58 x 56mm/2.5 x 2.3 x 2.2in Accuracy: ±2.5% Insulation Resistance: >20MΩ / DC500V Damping Time: <4s Product Use: Measuring Circuit Voltage Installation Method: Suitable for vertical installation (except for special regulations) Storage Temperature: -40℃~70℃ Working Temperature: -20℃~40℃, Relative Humidity ≤85% Package List 1 x Pointer Voltmeter 4 x Stainless Steel Nut 4 x Spring Washer 6 x Flat Washer