Intelligent zero fire line recognition non-contact measurement line wiring: Insert the pen needle into the hole for identification without the need for traditional contact measurement methods NCV non-contact induction: When nearby AC voltage is detected, the closer the power supply is, the more urgent the beep alarm sound is Intelligent power-saving automatic shutdown: When the intelligent pen does not operate within 15 minutes and no voltage signal is detected, it will automatically shut down VA color screen lighting: can provide lighting in dark environments to cope with complex working environments Electric pen multimeter detachable pen tip: antioxidant, not easy to break and wear, equipped with cap protection Specifications: AC voltage: 600V DC voltage: 450V Resistor: 10M Capacitance: 1mF Hz frequency: 6MHz Duty cycle: X Ambient temperature: X Diode: √ Buzzer: √ NCV voltage detection: √ Zero Fire Line Identification: √ Phase sequence detection: X Line breakpoint search: √ Automatic shutdown: √ Low battery prompt: √ Flashlight lighting: √ Data hold: √ Screen: VA color display screen Maximum count: 6000 counts Battery: AAA batteries*2 (not included)