Jastind digital tester is a reliable tool for checking DC electrical circuits in the range of 3V to 65V, as well as determining voltage polarity. It has a wide range of applications, suitable for automotive batteries, battery charging systems, and ignition systems, providing readings with a resolution of up to 0.1 and an accuracy of ±0.2V. It features an LCD screen with blue backlighting, displaying clear and visible digital readings both day and night. The housing is made of high-quality acetate fiber for high strength and durability. A sharp stainless steel probe is provided for easy wire piercing and work in hard-to-reach places, while a rubber tip protects against electric shock. The high-quality spring wire, 140 inches long, offers great flexibility, lightness, and resilience.