Immediately loud alarm can protect against burglars. The glass break alarm is easy with the enclosed, self-adhesive film round "Alarmgesichert!" etc. glued to the window and activates the device. Broken glass or similar shocks solve immediately from loud alarm.
More safety in the home, in business, etc. Also ideal for the protection of personnel against attacks on public authorities, etc. Easy Pull the alarm loop immediately activates the alarm duration.