The Base Station’s siren can go off anywhere between 30 seconds to 8 minutes, but by default it is set to 4 minutes. To change the siren’s duration, take the following steps:

In The SimpliSafe Mobile App:

1. Tap the ☰ icon in the top left corner of the screen

2. Under ‘My System’ tap "General Settings"

3. Scroll down to "Alarm Siren Duration" and toggle between 30 seconds to 8 minutes for your desired alarm length

On Your Keypad:

1. Click the Menu button on the bottom left corner

2. Scroll down to "System Settings" and select "Siren Duration"

3. Toggle between 30 seconds to 8 minutes for your desired alarm length