fire alarm bell outline flat icons on color rounded square backgrounds

firealarmbell alarm bell safety fire emergency alert warning security sound loud signal hazard evacuation protection alertness danger caution siren notification rescue system detector precaution preventive defensive emergencyservices firedepartment lifesafety firealarmsystem smokedetector firedrill codered firesafety fireprevention emergencyplan firealertsystem outline contour icons bonus rounded roundedsquare flat isolated logotype glyph