This North American style,Multipurpose push button switch and clear Mini Weather Stopper cover are designed to compliment fire alarm systems both indoors and outdoors. The button incorporates a unique, patented design and the clear cover helps prevent accidental activation. The highly advanced Stopper Station push button unit is ADA Compliant and UL Listed to U.S. and Canadian safety standards. Operation of the octagon button includes Push-to-Activate and Key-to-Reset. The unit incorporates quality features throughout, including raised lettering molded into its polycarbonate faceplate. Mini Weather Stopper is for surface units and consists of a clear, super tough polycarbonate shield, gaskets, frame and conduit spacer. Cover offers protection against dust and grime contains no horn in cover. Note: Per UL Listing,This model available with inchFIRE inch label only.