KS-20 Fire Alarm Sounder, Red Category: Smart Home Description Description Suitable for flush and surface mounting. Low current consumption 100dB high sound level IP21C protection class Piezo with leak-proof sealant Red/White, transparent UL94 non-flammable poly carbonate plastic frame Related products DW-BC03 – channel screen actuator Read more DW-BC03 – channel screen actuator Read more WW-WL – Wall leakage sensor Read more Power Source Read more