· High SNR and balanced frequency response sound inlet basket · Equipped with high sensitivity, low noise pre-amplification circuit, can clearly capture the long-distance speech sound, and provide high quality audio transmission · With flexible gooseneck design, the angle and direction can be freely adjusted according to needs, and the integrated structure design effectively avoids the problem of product shaking and poor contact caused by multiple insertion and removal of the split structure · The pickup part adopts the droplet shape design, which can effectively reduce the influence of sound field on the pickup unit · Using voltage adaptive technology, the product can be compatible with 12 VDC power supply and 48 V phantom power supply · High quality components and strict test to ensure the reliability of product use · Support for surveillance center calls

7-inch color IPS touch screen, resolution: 1024 × 600 Support real-time broadcasting, speaking, or playing media library files on specified partitions or terminals One or more terminals can be selected, and shortcut keys can be set to broadcast, up to 6 shortcut options (F1 to F6) can be defined 1-channel gooseneck microphone audio input, 1-channel 4-segment 3.5 mm audio input 1-channel local speaker audio output, 1-channel 3.5 mm audio output Support logging in through an account and password Support parameter setting, account management, system maintenance, and other operations Support long press (for 3 seconds) one-key emergency call to emergency call designated terminals or all terminals