EntityQ1497831· pop 28· linked from 300 articlessecurity alarmSign in to savesystem that detects unauthorised entry or hazards, often including sensors, cameras, and control units, and may be professionally monitoredConnectionsUnited StatesCountryrainEntitysnowEntitymobile phoneEntitytemperatureEntitypoliceEntityInternational Standard Book NumberEntityprisonEntityairportEntityfogEntitynuclear powerEntitymilitaryEntitydoorEntitymagnetEntitymunicipalityEntitytheftEntitybellEntityfuelEntitycarbon monoxideEntitydigital object identifierEntityCategoriesAlarmsElectrical systemsSecurity technology