What is the diameter of the speaker?

It’s small- maybe 3 inches across

I wanted to use an aux extension for the microphone what size is the aux connector?

Its not real large, about small speaker size. I don’t know the exact size

Does the outside speaker receive and transmit?

Yes. I get clear responses and our patients can hear me loud and clear also.

The system operates on a 12-volt dc correct? can you provide a standard usb plug to power unit from 12 volt battery auto setup?

It works on 110 ac which you plug into the wall. No usb, just a plug.

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🎤 Speak Up, Stand Out: Crystal Clear Intercom for the Modern Pro

CUSTOM VOLUME CONTROL - Adjust internal and external sound independently for any environment
PLUG PLAY INSTALLATION - Power on, switch on, and get real-time status with LED indicator
INTERFERENCE FREE CLARITY - Shielded wiring ensures your voice is heard loud and clear
VERSATILE PROFESSIONAL USE - Perfect for banks, hospitals, offices, and more—stay connected everywhere
EFFORTLESS TWO WAY COMMUNICATION - Seamless, button-free intercom for instant connection

The CallToU WI08 Window Speaker Intercom System delivers high-power, two-way voice communication with automatic transmission and advanced anti-interference shielding. Designed for professional environments like banks, hospitals, and offices, it features independent volume controls, easy installation, and a recording output jack for seamless integration with external devices.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

202191CFA

Duties & taxes incl.

Malistore

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TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Special Feature	Clip, Recording Jack, Anti-Interference, Wide Application Scenarios
Compatible Devices	Smartphone
Colour	Black
Included Components	Power Adapter, Double Sided Tape
Polar Pattern	Unidirectional
Item Weight	0.55 Kilograms
Microphone Form Factor	Boundary
Power Source	dc
Material	Metal
Number of Channels	2
Manufacturer	CallToU
Item model number	WI08
Package Dimensions	23.09 x 16.41 x 8.99 cm; 549 g
ASIN	B08LY9ZK5P

CallToU Window Speaker Intercom System,Dual Way Anti-Interference Intercommunication Microphone Talk Through Glass Window,for Business,Bank,Office,Hospital,Counter,Store,Station,School and More

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