DAHUA CCTV SYSTEM SUPPLIER, DH-HAP200, DAHUA CCTV SUPPLIER, CCTV MALAYSIA, CCTV CAMERA MALAYSIA
Dahua Hi-Fidelity Audio Pickup (Microphone) Omni-Directional; 10~100 m2 Coverage; Basic Noise Reduction Dynamic Range: 104dB(1KHz at Max dB SPL) Working voltage: DC 12V(9~18V). PC+ABS material