Non Contact Voltage Detector Pen AC Electrical Power Cable Tester High Accuracy Sound Light Alarm Item Type: Non Contact Voltage Detector Material: ABS Product Model: VC1019 Probe: Transparent NCV sensing head Alarm Mode: Sound and light alarm and voice Flashlight: White LED light Indicator Light: Red shock light Frequency: 50Hz/60Hz AC Voltage Range: About 12~1000V Battery: 2 x AAA batteries(not include) Neutral Wire Live Wire Judgment: According to the signal strength to judge, the strong signal is the live wire NCV Sensitivity: Sensitivity can be increased by sensitivity adjustment key Safety Level: CE CATII 1000V or CATIII 600V Automatic Shutdown: The test pen will shut down automatically if does not operate within about 5 minutes