Extech MA61 True RMS 60A AC Clamp Meter with Non-Contact Voltage Test is a compactly-designed AC current clamp meter with full overload protection and built-in Non-Contact Voltage Detection. The Extech MA61 features manual ranging functionality with 3 ranges for current, 600V AC/DC Voltage measurement, and a low 6000mA range for use in automotive applications. Additionally, the Extech MA61 provides Unique VFC (variable frequency control) mode for diagnosing HVAC problems, measures resistance, capacitance, frequency, diode and continuity, and has an auto-off function and displays low battery.