Camdenboss cpa exit sw natural aluminium piezo exit switch camdenboss cpa exit sw the camden boss cpa exit sw vandal proof exit switch is for operating in harsh environments or high traffic areas sealed in a rugged weatherised stainless steel enclosure it is vandal tamper weather and ip68 dust resistant it has a programmable door open time with fail secure fail safe option supplied configured as green led relay on and red led relay off which can be reversed camdenboss cpa exit sw