CCTV Surveillance Microphone for Security System Small High Sensitivity(CM30)
Features:
Built-in AGC circuit, pure sound, low noise and high fidelity, Adjustable sensitivity.
Power polarity protection circuit
Voltage: 9-12VDC, Electric current: 20mA
Frequency range: 100-100 KHz
Output impedance: 600 ohm non equilibrium
Pickup range: 5~100m²
