Dahua LU75-ST400 75” UHD Interactive Intelligent Whiteboard

> 75″ ultra-HD display
> Metal housing, 4mm AG anti-glare tempered glass, and ultra-thin and ultra-narrow appearance
> Built-in smart core and operating system, Android and Windows system as standby for each other
> Detachable type design, PC module and display are separated
> IR (Infrared Ray) touch technology, supports 10 points writing and 20 points touch.
> Wireless screen sharing, convenient to presentation
> Rich interface, plug-and-play



Enjoy rich functionality and interactive touch for education or business applications with our ultra-thin and ultra-narrow interactive intelligent whiteboard. LU75-ST400 is a new generation of interactive touch all-in-one devices, which is composed of LED panel, PC, and whiteboard software. This new 75” ultra-HD panel provides a vivid, sharp image with superior touch, delivering an immersive and efficient working environment.

Excellent image quality and wide viewing angle

Benefiting from a UHD panel, the new electronic whiteboard presents a sharper, more vivid and lifelike image than previous products. With a large 75″ screen and 178°/178° wide viewing angle, it brings teams together on a big screen, and enables your teams to view content from various angles.

Accurate wireless screen sharing

Thanks to unique wireless screen sharing technology, LU75-ST400 achieves wireless presentation and interaction on PC, smartphones, and tablets. Up to eight content sources can be connected and four can be displayed in various layouts simultaneously. This enables users to share content from different sources at same time.

Smooth writing, perfect touch

With outstanding touch sense, the LU75-ST400 recognise up to 20 different touch-points and 10 writing points simultaneously. This high sensitivity touch experience makes the writing and drawing smooth and without ghosting. In addition, users can write in various sizes.

Ultra-strong dual Android and Windows system

Embedded with a powerful Android system, LU75-ST400 provides performance for education and meeting system applications with support for installing third-party apps. The detachable PC module supports rich extensibility. Users can configure the device according to their business requirements and it only takes one-touch to switch systems.

Abundant interfaces, plug-and-play

With its abundant interfaces, LU75-ST400 can detect various input/output signals and easily present them on the display. Users can play various multimedia audio / video format files and office documents from different sources.

Built for remote teamwork

Compatible with various video conferencing hardware and software endpoints, LU75-ST400 brings your teams together regardless of time and space.


Detailed Specifications

Additional information

Weight 60 kg
Dimensions 176.2 × 103.4 × 10 cm

3840 x 2160



Brightness (nits)

330 nits


70" – 79"


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