1. Professional high fidelity cardioid directional capacitive electret microphone with sensitive pickup and clear voice, and the bandwidth reaches 20Hz ~ 20kHz

2. Anti interference circuit design is adopted to prevent the interference of mobile phones and other electronic products.

3. The microphone pole and key are equipped with LED aperture, which can display the status of speaking and closing

4. With 2.3-inch high brightness full view LCD display, the display content is clear

5. With audio start function, the microphone unit power will be turned on automatically when speaking

6. Cooperate with PTZ camera to automatically track the camera,

7. Cat6e special network twisted pair connection and RJ45 interface are adopted between units