MAC Tools ET348X Integrated Circuit Tester and Voltmeter. Interchangeable probe circuit tester with an easy-to-read back lit LCD that displays voltage reading (3-48V range) Equipped with a wide assortment of probes, slip-on adapters, and clips, this tool makes it easy to access even the hardest-to-reach areas of today’s vehicles (1) 12' High Visibility Retracting Ground Lead (2) Interchangeable Probes (1) Handle with LCD Voltage Display Unit (1) Blow-Molded Case (Not Shown)