Richer-R Pickup HiFi Sound Vioce Monitoring Audio Pick Up Device Microphone Head With 100m Wide Range for Outdoor CCTV Security

【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. 【Widely Application】This Sound Monitor for CCTV Security System,for TV monitoring, anti-theft alarm and various security systems. 【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. 【Easy Installation & Safe Use】Compact design, small size, plug and play.Built-in reverse power protective circuit, low power expense, wide voltage range, safe and reliable to use. 【Tip】Casing is made of plastic material, easy to clean in daily use. Any questions,Please feel free contact us,we will provide you with high quality after-sales service.