About 2 Trademarks found that are owned by Shenzhen Duuhnn Technology Co Limited

Adapter rings for attaching objectives on cameras; Baby monitors; Bags for cameras and photographic equipment; Camcorders; Car video recorders; Cases especially made for photographic apparatus and instruments; Cinematographic cameras; Electric door bells; Electronic and optical communications instruments and components, namely, optical transceivers; Filters for ultraviolet rays, for photography; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Switchboards; Transparency projection apparatus; Video baby monitors; Wireless routers; Warning bells

The wording "DUUHNN" has no meaning in a foreign language.