With the wireless BYOD HDMI-Presentation-Set from LogiLink. you can transmit HDMI video and audio signals wirelessly over a distance of up to 50 m in clear view. The transmitter & receiver unit can be powered via the HDMI port of your device (0.5A required). Alternatively (additionally) with the supplied micro USB cable via the USB port of your notebook. PC. etc. Thanks to true plug & play and the compact design of the transmitter and receiver. it can be installed easily. quickly and individually - plug it in and off you go. This makes the system the perfect solution for meeting. conference or congress rooms. With the additional transmitter units for the Wireless Presentation System (HDW0111AT). the set can be expanded to up to 16 transmitter units (total). Switch quickly and easily to the desired transmitter at the touch of a button to play back your content. You can also share content directly from your mobile device (smartphone/tablet) via the respective OS of your device. no additional app required.