Features [Wide Voltage Range] This voltage gauge is designed specifically to measure 24V (18 to 32V) electrical systems, making it ideal for a variety of applications. [52mm Opening Size] With a standard 52mm opening size, this voltage gauge is easy to install and fits seamlessly into your control panel. [Aluminum Alloy Construction] Made from premium aluminum alloy, this volt gauge is capable of withstanding harsh environments and weather conditions. [Dustproof and Waterproof] The transparent cover of this voltmeter ensures dustproof and waterproof, providing added protection and increasing the lifespan. [High Accuracy] This voltage gauge offers high accuracy and quick response, allowing for precise monitoring of voltage levels with stable operation. Specification: Item Type: Voltage Gauge Material: Aluminum Alloy Measurement Range: 24V (18-32V) Opening Size: Approx. 52mm/2.05in Package List:1 x Voltage Gauge5 x Accessories Package List 1 x Voltage Gauge 5 x Accessories