... are non-conductive for safety with retail pacakge. Non-contact AC Electric Voltage Detector Tester Pen 90~1000V The voltage detector ... the conductor is live or not.Voltage Sensitivity: 90~1000V AC.Bandwidth: 50/60Hz.Normal Indication: The LED Will not flash ... AAA batteries.(NOT Included)Package Included:1 x Non-Contact AC Voltage Detector Pen1)PaymentWe accept T/T, Western Union, Escrow ...