CCTV Microphone, 100m Wide Range HiFi Pickup Audio Mic High Sensitive CCTV Surveillance Microphone Kit for CCTV Outdoor Security System

This Sound Monitor for CCTV Security System.
100 Square Meters Wide Range: Designed for the monitoring and recording applications within normal range, the widest monitoring range can be up to 100 square meters.
High sensitivity Sound Monitor: clear voice, low noise, high fidelity, applies to a variety of situations, such as for bank, examination room, shopping malls and so on.
Safe Use: Built-in reverse power protective circuit, low power expense, wide voltage range, safe and reliable to use.
Easy Installation: Compact design, small size, plug and play, Casing is made of plastic material, easy to clean in daily use.