🎧 Elevate Your Security Game with Unrivaled Sound Quality! Effortlessly mount on ceilings or walls with a user-friendly slider design. Experience crystal-clear audio with advanced noise reduction technology. Capture sound from up to 3000 meters away, perfect for expansive environments. Modern double-deck metal finish that complements any professional setting. Ideal for schools, conference rooms, and offices for seamless audio monitoring. HD Audio Pickup Range 3000m Noise Reduction -35dB The SiZHENG COTTS30 CCTV Microphone is a high-definition audio pickup device designed for security applications. It features advanced noise reduction technology, a long-range pickup capability of up to 3000 meters, and a sleek design for easy installation in various indoor environments.