TOOGOO(R) SCT-013-000 Non-invasive AC Current Sensor Transformer Product Name : Non-invasive AC Current Sensor;Model : SCT-013-000;Core Material : Ferrite External Material : Plastic;Input Current : 0-100A;Output Mode : Current/33mA Opening Size : 13 x 13mm/ 0.5" x 0.5"(L*W);Output Plug : 3.5mm;Dielectric Strength : "Verdana"&gt;6000V AC/1min Weight : 63g;Package Content : 1 x Non-invasive AC Current Sensor