The product is a set of 5 mini digital voltage meters, designed for measuring DC voltage levels from 0 to 30V. These three-wire voltmeters come in a compact size of 7.64 x 4.53 x 0.87 inches and weigh only 1.16 ounces, making them easy to handle and transport. Manufactured in China by a trusted vendor, these meters have an upper temperature rating of 65 degrees Celsius and feature a green color for clear visibility of readings. Ideal for various industrial and commercial applications, these digital voltmeters provide accurate and reliable measurements for troubleshooting and monitoring voltage levels.