Check the listing for details. Power Probe Maestro AC DC Voltmeter Circuit Tester With Wireless Communication. Condition: New. Listed at 309.05 USD. Features & Benefits:Connects to the Power Probe Tek application that works with the Android and iOS devices for greater diagnostic functionality.Compatible with Scan Tools that allow 3rd party app downloads.EZ Learning videos teach the end-user how to use the tool to its maximum capabilities.Guided Diagnostics screens to help the end-user complete the most common applications.DC Voltmeter: capable of applying battery supplied voltage or ground. AC voltmeter: TRMS, Peak-to-Peak/MIN/MAX, Frequency, Duty Cycle. Trace mode offers scope-like functionality. Resistance testing with a live or unloaded circuit. Fuel-injector test mode. Driver test for testing Module drivers.Connects to the Power Probe Tek application that works with Android and iOS devices for greater diagnostic functionality. Compatible with Scan Tools that allow 3rd party app downloads. EZ Learning videos teach the end-user how to use the tool to its maximum capabilities. Guided Diagnostics screens to help the end-user complete the most common applications. DC Voltmeter: capable of applying battery supplied voltage or ground. AC voltmeter: TRMS, Peak-to-Peak/MIN/MAX, Frequency, Duty Cycle. Trace mode offers scope-like functionality. Resistance testing with a live or unloaded circuit. Fuel-injector test mode. Driver test for testing Module drivers. Self-resetting circuit-breaker. Operates on 12-Volt or 24-Volt systems.