Both the C1 and C2 Wi-Fi Security Cameras can be triggered by audio. When the audio detection levels are set to “High,” the minimum threshold to trigger audio detection is 20 decibels in the C1 camera and 10 decibels in the C2 camera. For reference, 20 decibels is about the volume of leaves rustling. If needed, you can adjust these levels from the Resideo app to Normal or Low range.  

Please note:

Low sound sensitivity implies it detects only loud sounds like a motorcycle or food processor (80dB and above).

Normal sound sensitivity implies it detects general sounds like a refrigerator, air conditioner or conversational speech (50dB and above).

High sound sensitivity detects even the quietest sounds like a pin-drop or whispers (10dB or above).