[NCV Voltage Detection] Emits a buzzer alarm and shows induction intensity on the LCD bar when AC voltage is detected [Live and Neutral Cable Detection] Differentiates between live and neutral wires, with an alarm for the live wire and no response for the neutral wire [Large Screen] 180° adjustable display for optimal viewing and easy angle measurement, making it convenient to carry and use [Lithium Battery] Built-in 3.7V/1800mAh lithium battery for easy charging and long-lasting performance [Multi-Test Function] With multiple test functions, and offers accurate and reliable measurement results Specifications: AC Current: 0mA-10A DC Current: 0mA-10A AC Voltage: 1mV-750V DC Voltage: 0.5mV-1000V Capacitance: 0nF-20mF Resistance: 0Ω-20MΩ Frequency: 0Hz-10MHz Duty Cycle: 10%-90% Diode Buzzer: Supported NCV Voltage Detection: Supported Live Wire Detection: Supported True RMS: Supported Auto Shut-Off: 15 minutes of inactivity Weight: 341g Max Count: 20000 counts Material: ABS Power: 3.7V/1800mAh lithium battery mS Automotive Pulse Width: Supported Ignition Dwell Angle: Supported Engine RPM: Supported MAX/MIN Value: Supported Relative Measurement: Supported Data Hold: Supported Low Battery Indicator: Supported Green Backlight Display: Supported