The DS-2FP4021-B Digital Noise Reduction Microphone from Hikvision is an electret condenser microphone with a voice recording range of up to 33' in a 360° radius. It has a total 646 ft² audio pickup range. An adaptive noise cancellation algorithm minimizes unwanted sounds to deliver clear audio without distractions.

\r\n\r\nThis microphone is protected from lightning and has signal misconnection protection.