Introducing The Maestro by Power Probe: a multi-use Circuit-Tester with built-in diagnostic power. This tool simplifies the testing of fuse boxes, verifies correct operation of motors, lights, relays, sensors, wires, and communication-circuits. The large LCD color display makes for easy viewing in direct sunlight or complete darkness. The Maestro wirelessly pairs with our Power Probe Tek App. This allow for a wireless remote display as well as data streaming or recording. All of this information can be emailed, exported or simply saved for future reference. The Power Probe Tek app is available for iOS and Android platforms.