[HIGH-QUALITY MATERIAL]: This digital voltmeter is made of high-quality plastic material, which is durable and wearable. It is not easily damaged, has a qualified quality and long service life. [LED DISPLAY]: With easy-to-read LED display, it allows you to view the readout at night or under strong sunlight, which can bring great convenience for your use. [REASONABLE DESIGN]: It adopts completely sealed design, which is waterproof and weatherproof. It allows to be used in marine or rainy condition, which can provide you with a superior using experience. [EASY INSTALLATION]: This digital voltmeter is small in size, light in weight and easy to install, which can provide you with a convenient and efficient installation experience. [SCOPE OF APPLICATION]: This digital voltmeter has high practicality, which is an ideal accessory for for motorcycle, car, boat, ATV, camper, caravans, travel trailer, etc. Product Quantity: 1 Piece Product color: black Product size: diameter 36.6mm