•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 two EXT port,one main-base can work with two sub-base .
•9.High power-3W high power speaker .Widely used in many applications, such as bank, clinic, government,store, pharmacy, and so on