Product Review

Window speaker system adopts full duplex voice intercom technology;aluminum alloy material; clear sound ; less static; easy to operate

Suitable for drive up window; store window; cashing store; ticket window;movie theatre; auto shop;hospital; clinic; bank; station

Full Duplex Tech
So voice can transfer simultaneously from 2 different directions;much better sound transmission; and you can hear much clear outside speaker voice; less statics

Aluminum Alloy Panel
So it can be more sturdy compared with plastic material; quality and fashion design

Volume Control
The main station and outside speaker volume can be adjusted separately; knob the left button to control the main station; and the right button for speaker; also there are I-shut button to turn off the station sound; O-shut works for outside speaker; convenient use

Volume Knob Anodizing Technology
So it can prevent the corrosion effectively; also it can offer more comfortable feelings

Much Less Statics
Lower sensitivity value about -65db; so it is good clear two way sound; no need to worry about environmental static noise; also digital processing circuit solves the problem of echo and squeal

Easy to set up
The external speaker diameter is 67mm; and window speaker system comes with double sided tape; so you can pasted the outside speaker on window glass

Specification:
Material: aluminum alloy shell
Connection cable length: 1.8m
Working voltage: DC12V / 500mA
Main sound (sub sound): 3W+3W
Microphone sensitivity: -65db
Size: 118 x 87 x 45mm
8.Weight: 580g

Package Includes:
1 x Dual-way counter interphone
1 x External speaker
1 x Power adapter
1 x English manual