Entry alarm mode:Used wall mount plate, mounted the unit and magnet bar on doors or window frame for detecting entriesIt gives alarm sound instantly when opening doors or windowsPersonal alarm mode:The main unit can be removed from wall mount plate for personal alarm functionFeatures:Metal pull pinIdeal for protecting elderly or night shift workersBuilt-in high output sirenOperated by 3 x 1.5V LR44 button cells (included)Product size: 60 x 37
