STI-1155 SKU STI-1155-2658 Stopper II w/Horn & Spacer, Indoor/Outdoor- red horn, clear spacer Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Protective polycarbonate coverDesigned for outdoor use95 or 105 dB warning hornClear spacerUL/cUL ListedDesigned to meet the requirements of IP543 yr guarantee, 1 yr on electronics