image/svg+xmlOpenclipartprotected by alarm system sign.2012-09-21T18:24:56Alarm System Sign.https://openclipart.org/detail/172432/protected-by-alarm-system-sign.-by-bobby520-172432bobby520sign-alarm system-protected-protected by-protection-keypad-alarm-bell-siren-police-burglar-home-window-door-night-moon-b&e-help