PORTABLE ALARM DEVICE AGAINST FLIGHT AND CAMBRIDGE

摘要

The invention relates to the alarm devices. The invention relates to a portable alarm device which comprises a casing 1 having a window 3 which transmits a microwave wave beam. SENSITIVITY CONTROL BUTTONS AND GUIDED LAMPS, AND A SIREN PLACED UNDER AN ORIFICE 6. THE DEVICE MAY BE TRANSPORTED TO THE DESIRED SURVEILLANCE AREA AND ADJUSTED ON SITE AT THE TIME OF USE. / P P APPLICATION PROTECTION AGAINST THEFT AND CAMBRIDGE. / P