Answer: burglaralarm

AnswerCrossword Clue
BURGLARALARMFlat protection
BURGLARALARMSecurity device that can't keep Croft out?
BURGLARALARMOne may be set for a vacation
BURGLARALARMEdwin T. Holmes' invention: 1858
BURGLARALARMWarning signal of a sort
BURGLARALARMSecurity measure