FEATURES :
>Omni-directional condenser microphone, high fidelity;
>30KV Air contact ESD, built-in Lightning Protection, power supply polarity reversal protection and electrostatic protection; with ALC, DSP digital noise reduction processing and AGC processing;
>Easy to install; match with cameras or storage devices which have audio function!
DH-PFM141
$80.95Price
Dahua