Check the listing for details. Power Probe PP401AS 4 Series Circuit Tester Kit, LCD Display. Condition: New. Listed at 356.96 USD. The Power Probe IV is equipped with powerful multi-meter functions, allowing technicians to perform a wide range of electrical measurements. With multiple DC Volt readings on the same display and an ohmmeter providing active feedback, users can obtain accurate and precise readings for efficient circuit testing, This circuit tester allows the supply of power or ground for functional component testing. This feature enables technicians to activate and test electrical components, helping them identify issues and verify proper functionality without the need for additional tools or equipment, The Power Probe IV is designed with a self-resetting thermal 8 Amp circuit breaker. This feature protects the device and the connected circuit from potential damage caused by overloads or short circuits, en.