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Efficient Dual-way Window Intercom System:

8m external microphone: meet the needs of hospitals, restaurants, clinics, schools, hotels, real estate and other scenarios；
Multi-jack design: can connect headphones, wireless microphones, recording equipment, etc. to meet your diverse needs；
Multi-button design: mute button, volume knob, independent switch, easier to control the microphone;
Can be installed at ticket windows at movie theater;
Adopts half duplex technology; high-powered mic;
No complaints from customers nor the cashier.

High sensitivity pickup

360° pointing sound pickup design, effectively recording sound;

Easily communicate with customers without getting close to the microphone.
Sturdy Plug

More safety plug; self-locking; corrosion-resistant;

It can be more durable use with 4 core high-strength aluminum foil shielded wire.
Recording function

Have a 3.5mm recording jack, can be output both inside and outside the two-way voice signals. (such as the bank teller system for recording)

Half Duplex Tech

2-way hands-free voice communication;

Automatic identification of processing speech signals.
Adjustable volume

Independent volume control;

Easy to adjust the volume inside and outside.
Material

Aluminum Alloy Material;

It can be more study and durable use.
Clear Sound

Adopt high-powered mic,elegant appearance,voice is lifelike, clear.

Also it use a 4 core high strength aluminum foil shielded wire for strong connection plug to maintain the signal stability.
Mute Switch

There are I-shut and O-shut button to close the signal;

I-shut buttons works for internal Mic voice; and O-shut is used for outside speaker.
Vertical Placed Speaker

So the outside voice can be well transmitted;

Also it can effectively reduce the signal statics.

Flexible Mic Cable:

Using an acoustic tube with noise canceling microphone.
Flexible gooseneck type microphone.
Thin shape of the acoustic tube does not obstruct the field of vision.

Retekess TW102 Window Speaker Counter Intercom System Bank Office Shop Clinic US

Features:

This system has top-quality speaker and high-sensitive microphone. Especially using a 4 core high-strength aluminum foil shielded wire, strong anti-interference ability, which makes the voice clear and natural. The two-way voice intercom communications technology, automatic identification of processing speech signals during a call does not require any action. Suitable for the Bank, Securities Company, Hospital, Station ect, where the burglar-proof glazing is installed.

Features:

Adopt aluminum alloy shell and metal outside unit, simple connection for DIY operation
High quality speaker and high-sensitive microphone, the voice is realistic and clear
Both inside and outside unit have speaker and microphone, the volume and microphone sensitivity can be separately adjusted
Using a 4 core high-strength aluminum foil shielded wire , and strong connection plug
Microcomputer processing circuit solves the problem of echo and squeal
Have recording jack can be output both inside and outside the two-way voice signals (such as the bank teller system for recording)
Can be used in any place which difficult to talk, such as bank, securities, hospital, bus station etc

Specification:

Material: aluminum alloy shell
Connection cable length: 1.8m / 5.9ft
Working voltage: DC12V / 500mA
Adapter: AC 110V 50/60Hz
Main sound (sub sound): 3W+3W
Microphone sensitivity: -48db 20Hz-16KHz
Size: 114 x 74 x 145mm / Φ67 x 20mm
Weight: 610g / 1.34lb

Package Include

3 x Dual-way counter interphone
3 x External speaker
3 x Power adapter
3 x English manual