This CCTV Microphone has the advantages of low noise, high fidelity,wide operating voltage range,small power consumption, and long transmission distance.it is a new type of monitoring equipment with stable sensitivity. It is a good choice to use it with surveillance TV and security protection system. It can also be used with the camera in the range of 5 ~ 100 square meters to achieve audio and video synchronization monitoring conversation. connect method 1.Red line :power+ 2.Black line :power- Electronically parameter Power supply:DC 6V14V Dissipation circuit:0.5-60mA Frequency response:1006000Hz,Output signal. Environment Temperature:-25℃~85℃ Humidity:30-90%
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