... big power electrical jack,with electrical source indicator light and switch control,The crust adopt fire proofing material ModelBrief IntroductionPacking. And ... jackand a multi jack, with electrical source indicator light and switch control,The crust adopt fire proofing material,insert set use ... brassBlister Packing 18.5*29*4.5CM Multi- Sockets, sockets, switch socket (DJ-S201)