The DS-2FP2020 from Hikvision is an external microphone, 70m2/360°, 60dB S/N, 600W output, 3-wire, PVC, 12VDC, 25mA.

• Low latency and signal issues, often found in wireless connectivity, are no longer a problem with wired connectivity
• Capable to throw a crisp and clear audibility with 20 Hz - 20 kHz frequency response
• High sensitivity microphone, Omnidirectional Pickup, Clear Voice, Strong Anti-jamming capability
• Built-in lightning protection, reverse polarity protection
• RoHS Compliant
• CE & FCC Compliant