Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got ...

The resetAlarm integer is the Arduino pin where we connect the button that is used the reset the alarm. The relay is connected to pin 7 and the active buzzer to pin 8. On the next lines you need to ...