Window intercom speaker Anti Interference Dual Way Intercom Mic Talk Through Glass for Counter Office Hospital Station

Ycall. Auto dual-way intercommunication without pressing any button, Anti-interference and noise-free function, Dual-way audio record output, The voice from this intercom system is clear and natural, Has special side tone processing chip with auto-mute function. The movement noise function can effectively improve the noise, Has top quality speaker and high-sensitive microphone. And sub-base with 2.8M cable is ideal for the counter and the dual-way intercommunication. Functions and Features: 1. Hands free two-way talkback full automatic. 2. Clear sound. High-quality speaker and high-sensitive microphone, the voice is realistic and clear. 3. Reminder light. There are voice transmission indicator to prompt the working condition. 4. With Mic interface, support external microphone. 5. with inside and out side volume knob. the volume of internal and external can be adjusted by separately?. 6. With power on off knob. 7. With output for recording, can connect record equipment external. 8. with