Digital Whiteboard


Rich Source has founded 12 years and launched a new flagship model KTA-PLUS. This model has a built-in Android 8.0 version with 4G RAM and 32G ROM. Fast booting in only 10 seconds. Supports USB smart sharing function, 9-way split screen mirror function, with 5G 802.11AC Wi-Fi sharing, 4K UHD resolution, digital whiteboard software, navigated compass function, automatically switch terminals while turn-on…etc. More functions are waiting for you to explore!

Fast Booting: Advanced interface with a faster processor, boot-up within 10 seconds.
Android 8.0: Advanced interface with a faster processor, 4G RAM and 32G ROM.
Built-In USB Smart Sharing:No messy cables anymore! All the connecting devices can detect the USB files once the USB plugs in the touch screen.
9-Way Split Screen:Mirror Everyone owns a Smartphone nowadays, you can save your data on the phone and mirror to a large touch screen as a projector. Support different OS and 9 devices can mirror at the same time.
Built-In Digital Whiteboard:One finger for writing, two fingers for zoom in/out and three fingers for moving.
4K UHD Resolution:4K UHD resolution with 178/178 viewing angle, presenting a better visual effect.
Multi-Touch:Available for two or three people writing simultaneously with 20 points touch.
Smart Eye-Protect And Energy-Saving:Brightness adjustable for better eye protection. Moreover, users can set up the time of power on/off to avoid energy-wasting.
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Get In Touch


    Contact Info

    Tech Vision System Limited

    Hong Kong Head Office
    Rm 1801, 18/F, Winning Centre, 29 Tai Yau Street, San Po Kong, Kowloon, Hong Kong

    Shenzhen Office
    Room 1205-1206, ShenKan Building, 1043 ShangBu Middle Road, Futian District, Shenzhen, China

    Macau Office
    Avenida da Praia Grande, 759, 2 Andar, Suite 2006, Macau

    Hong Kong: (852) 2121 8423
    China: +86 (0755) 61828601
    Service Hotline: (852) 3693 4726

    Service Call VC Hotline:

    Mail Us

    E: [email protected]

    Opening Hours

    Mon-Fri: 09:00-18:00
    Sat: 09:00-13:00