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Retekess TW103 is a dual way window speaker system, which allow the two people talk freely.

It made of aluminum alloy, it is very durable.

High quality speaker and high-sensitive microphone, the voice is realistic and clear

It is very easy to install, you can sticker the outside speaker on the wall or glass.

Speaker volume and microphone sensitivity can be adjusted

Inside and outside speaker can be turned off separately

$18.99~$49.99

Easy to install and use, The window intercom system comes with a long cable, TW104 window speaker system adopts full-duplex voice intercom communication technology, two-way window speaker system

$49.99~$114.99

Adopt aluminum alloy shell and metal outside unit Anti-interference and noise-free function Dual way window speaker system Mute function

$23.69~$59.99

Full Duplex Technology, Volume adjustable, Easy to install and use, Two Way Radio for Restauranr Bank External speaker, slim fit design

$19.99~$49.99