Features of CCTV Microphone

* Monitoring area: 30~50 m²                                             
* Working Voltage: DC 3V~18V                                         
* Working Current : 5mA                                                   
* Output Level: 0~6V                              
* Frequency: 100-10KHz                               
* Cable Lenght: 40cm                                  
* Weight: 22g