ITEM NAME:Non-contact Test Pencil 1AC-D Ultra-Safe Induction Electric Pen VD02 Detector Z a.imagelink a:hover.imagelink {color:#db3606;.Compact, safety, & easy to carry. Frequency Range: 50 to 500 Hz. Long life and low power consumption. Ideal design for testing power cables, circuit breakers, wall sockets, junction boxes, fuses, etc.