STF Reflective Type Light Barrier 1.Reflector mirror light curtain ... 3.Resolution : 40,80mm 1. Features of STF Series Reflective Type Light Barrier :* Protection height: 0~8M, optional selection ... Vertical and horizontal), light curtain can be used in series. Application fields: mainly used in the machine finishing ... IBEST ELCTRICAL CO.LTD Fast Response IBEST STF Series Reflective Type Light Barrier