The Power Probe 3 PPKIT03S Master Kit with ECT3000 is a comprehensive diagnostic tool set designed for automotive use. This kit includes probes, a digital display, continuity testing capabilities, and a voltmeter, making it versatile for a range of electrical testing needs. With a 12-volt capacity, this kit is ideal for troubleshooting and maintaining vehicles with various electrical systems. The included accessories and features ensure that users have everything they need to effectively diagnose and repair automotive electrical components.