The hawk-d500 is a self-contained battery operated alarm used to guard against unwanted openings of doors, windows, and drawers of all types and against moving of valuable items from their desired location. This microprocessor based intrusion warning system is engineered to scream for help in case of any intrusion attempt. Its universal design makes suitable for installation in offices, shops, homes, farms, and any place where protection is desired. Battery operation ensures total immunity against uncertain mains supply. It can be installed even in remote locations where there is no power.