?Installation Driver?: USB C to dual HDMI adapter need install driver for the first use. For ongoing use, no need install again—just connect and go! Download driver by clicking https://www.mct.com.tw/. For Mac OS system, it requires setting permissions like "screen recording" to ensure a secure and compliant usage environment. This USB hub not have data storage memory function, not record any information and privacy on the Internet, please feel free to use it. ?High resolution max up to 4K@30Hz?: For this HDMI splitter 1 in 2 out extended display, 2 HDMI output port's resloution is different. HDMI out port 1 max up to 4K@30Hz, HDMI out port 2 max up to 1080p@60Hz, Friendly remind: in order to ensure stable signal transmission, suggest use HDMI 2.0 (19+1 pin)cable and cable length not exceed 3m/9.8 feet. This USB A to HDMI adapterHDMI supports HDCP protocol, MST function. ?Widely Compatibility?: The USB C to HDMI multiport adapter is widely compatible with many laptop or PC, such as MackBook Air 2018-2023, MacBook Pro 2016-2023, Surface Book 2/Surface go, HP EliteBook 1050G1?EliteBook Folio G1/1050G1/840G5, Dell XPS13/XPS15, G3/G7/G7 Series and other laptop with USB C 3.0 /USB A 3.0 or above standard. ?Extended & Mirror Display?: For windows and Mac OS system, this HDMI extender for dual monitors support extended mode( ABB mode & ABC mode)and mirror mode, providing users with a larger workspace and enhanced multitasking capabilities. Please kindly make sure your laptop features windows 7/10/11 or above version, Mac OS 10.13 or above version. In addition, please note that this USB 3.0 to dual hdmi adapter can't support Android , OS, Chrome OS, Unix, Linux or other systems. ?USB Hub 2 in 1?: This avedio links USB-C to HDMI adapter features one USB A 3.0 port and one USB C 3.0 port, you could choose one of them to plug the laptop or PC's USB port. This HDMI splitter extended display has 2 HDMI output port, which allows use the HDMI cable to connect 2 external monitors to duplicate or extended input's screen. This item support Displaylink function to expand multiple monitors, Windows system max up to expand 8 monitors; OS system max up to expand 6 monitors.