USB C Docking Station Dual Monitor: NOTE!!!Before you purchase, please ensure the USB-C port of your laptop support video output or DP Alt Mode, which decides the HDMI/DP/VGA port work or not. The laptop docking stations expands your work opportunities, convert your usb c port into 2 4K HDMI,1 Displayport,1 VGA,3 USB 2.0 ports and 1 USB C PD charging port. No need any drivers or software, just plug and play. For Windows Laptops, the dual HDMI computer hub adapter support both SST and MST mode Dual 4k Resolution Output: HDMI1/DP max up to 4K@60Hz, HDMI2 up to 4K@30Hz(work separately while source is DP1.4). When dual displays, HDMI1 or DP will be 4K@60Hz and HDMI2 up to 4K@59Hz(DP1.4). When using 2 hdmi+DP, HDMI1 up to 4K@59Hz, DP up to 4K@29Hz, HDMI2 up to 2K@60Hz(DP1.4).Display output will be 1080P when multiple monitor with VGA. Note!!! When using daul hdmi+DP, must follow the sequence or it will fail: Plug in HDMI1Plug in DP(wait for the screen to display successfully)Plug in H