In case of a burglary suspicion, this extension of the Gigaset alarm system immediately triggers an alarm. The alarm siren can be operated manually via the button or through the Gigaset Elements app. It produces a loud, deterrent alarm sound (100 dB). Automatic shutdown can be done directly via the Gigaset Elements app. Simply plug it into a power outlet. It is updateable (wirelessly via the Gigaset Elements app). Compatible with Gigaset Elements alarm systems S, M, and L.