Features & Specifications:

Plug & Play
Extremely Sensitive
Great for Security Monitoring
S/N Ratio: 58dB
Audio Output: RCA Female
Work Current: 0.5mA-60mA
Plug & Play
Extremely Sensitive
Great for Security Monitoring
Higher S/N Ratio
Range : 150 Square meters
Audio Output: RCA Female
Sensitivity : 200mA/ubar
Work current :5 mA-60mA
Work Voltage:4-14V
Frequency:200-6000HZ
Max output Voltage:5V-upp

Package includes:

Security CCTV Microphone x 1

How to use:

The Black end is the audio port, it can pick up voice in very wide range .
Connect the Red end to the power adapter cable, and the white end to your Audio Speaker, then you can get the voice.