Axis 01561-001. Type: Security camera microphone, Microphone sensitivity: -30 dB, Microphone frequency: 20 - 20000 Hz. Connectivity technology: Wired, Device interface: 3.5 mm (1/8"). Product colour: White, Housing material: Plastic, Cable length: 5 m. Signal-to-Noise Ratio (SNR): 76 dB. Power source: DC, Operating voltage: 13 V