Constant Check Pen PRO : 12 to 1000V AC Voltage Detector with Adjustable Sensitivity

Check Pen PRO : 12V to 1000V AC voltage detection, equipped with sensitivity adjustment, light and sound indication.
Suitable to test line voltage (110-220V AC); test low AC voltage (garden light, down light, etc.); locate broken cable (discontinuity); locate blown wire fuses; etc. For more information, email [e-mail]

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why end video is stuck,?
nice device although
, but this video will better if hav narator say something ;)