Multi Function Non Contact Induction Electric Pen For Household Power TestProduct information: AC voltage: 12~ 1000VAC Alarm mode: Sound and light alarm Flashlight: Yes Probe shape: Prolate shape Low voltage indication: Yes Zero fire line judgment: Sound (high, medium, low) and ED light NCV sensitivity: Automatically select 3 kinds of sensitivity (high, medium, low) NCV sensitivity indication method: The meter shows different sensitivity of high, medium and low through different alarm sounds and different color LEDs Power