... CAT II, 1000V Blue Non-Contact Voltage Detector Pen AC Volt Sensor Tester Alert 90~1000V LED, ... wall sockets, junction boxes, fuses, etcSmall and compact pen design for easy carryingTest Voltage Range: 90-1000V ACFrequency ... usersHow to use: touch the wire with the pen tip.If the red indicator lights up, ... 5 cmPackage Included: 1x LED Light Voltage Alert Pen PaymentWe accept West Union, and TT.Payment ...