Today’s security and isolation booths are often the best step you can take to protect your employees.But do they protect or help maintain your very important good will?Not if clerks and customers have to shout, growl and repeat themselves to be heard or understood.RETEKESS TW103 Window Intercom is a 2-way, hands-free audio system that provides high-quality personal communication between people separated by security or isolation barriers. Instructions for use: When using window speakers, the distance between the mouth and the microphone should not exceed 20 cm to prevent the other side from being unable to hear the sound;The internal and external speakers should not be too close to avoid noise;This window intercom is half-duplex, and cannot be input and output at the same time to avoid intermittent sound. Package Includes: 1 x TW103 counter speaker1 x TW103 external speaker1 x power adapter(us plug)1 x English manual Features Gooseneck type microphone 5.9in ultra-long stainless steel hose microphone;freely adjust the pickup angle to get a better pickup effect. Easy to assemble No professional knowledge is required.All components are ready to be inserted-no need to adjust the system.Only the volume needs to be adjusted. High-quality diaphragm Quality diaphragm, clear communication.Strong sound penetration, bring high-fidelity sound quality.Make your service more quality. Multifunctional window intercom Long cable 78.74in connection line between the main unit and auxiliary unit;Meet the installation needs of different locations. Recording function Dual-way audio record output;Use with bank counter recording.Headphones can be connected Aluminum alloy panel Adopt aluminum alloy panel;Wear-resistant and high temperature resistance;Easy to clean. Double-sided tape Double-sided tape can firmly attach the external speaker to the glass. Enjoy Wireless Freedom Why choose to use TT123 wireless microphone ? Easy to pair: TT123 wireless headset microphone automatically connects to when power on, provide loud, clear, high fidelity soundEnjoy wireless freedom: wireless allows you to move more freely, and you don’t have to stick to the counter interphoneWide compatibility: voice amplifier; home stage speakers; portable PA system; mixer( with 6.35mm mic jack); FM transmitter; Not supported phone;laptop;bluetooth speakers Independent control Power control Office intercom system has a switch button;Easy to use and operate. Independent volume control Independent internal and external mute control;The volume level can be adjusted according to the environment. Inside and outside mute switch Independent internal and external mute switch design;Bank teller can freely control the input and output of sound.