Know your gear
The Hikvision DS-2FP2020 Microphone is a high-sensitivity omni-directional capacitor microphone that offers clear and natural sound pickup up to 70 square meters. It features built-in lightning protection, reverse polarity protection and electrostatic protection. This microphone can transmit audio up to 3000 meters clearly and has a frequency response of 20 Hz to 20 KHz.