STI-1130 SKU STI-1130-2658 Stopper II w/Horn & Spacer - red horn, clear spacer Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Protective polycarbonate coverHelps stop false alarms95 or 105 dB warning hornHas clear spacer for surface mountUL/cUL Listed, ADA Compliant3 yr guarantee, 1 yr on electronics