Window Speaker Intercom System, 200M Anti Interference Dual Way Window Intercom Microphone and Speaker Talk Through Glass Window, for Business Bank Hospital Office Store

Speaker Volume Adjustable: Counter intercom speaker is and adjustable with clear sound. Can be easily mounted on the wall with tape, ideal for distances up to 200 meters without interference.
Combination: Indoor intercom is perfectly combined with the outdoor intercom, allowing you to talk to visitors outside your door. The doorbell sound effect is highly restored, allowing you to identify visitors outside the door according to the sound.
3W Power: Dual way counter intercom is designed with electro acoustic circuit devices, upgraded sound quality and high power output of 3w for both main and sub units, with clear and bright sound and high voice resolution.
Fully Automatic Call Control: Window two way intercom system applies fully automatic call control, using duplex voice intercom talking technology, automatic recognition and processing of voice , the call process does not require any .
Widely Used: Window intercom system is widely used in homes, bank windows, ticket offices, hospital windows, post office windows, securities windows, embassy visa offices, securities companies, hospitals, stations and other places where security glass is installed.