The Kobalt NCV Tester AC-6H Cat lV is a reliable and efficient battery tester designed for automotive use. With a voltage range of 120v, this unit is capable of accurately testing batteries and ensuring optimal performance. The product includes batteries and comes with a 3-year warranty, providing peace of mind for customers. Manufactured by Kobalt in Taiwan, this NCV tester is a high-quality and dependable tool for automotive maintenance and troubleshooting.