Bought from apple for $220
https://www.apple.com/ca/shop/product/HMX02ZM/A/caldigit-thunderbolt-3-mini-dock
Works with MAC book+ Windows
The CalDigit Thunderbolt 3 Mini Dock is a bus-powered dock that lets you connect your Thunderbolt 3-equipped Mac to 2X HDMI-enabled TVs up to 4K @ 144Hz.
It also provides connection to a Gigabit Ethernet network, a USB 3.0 device — such as your flash drive, camera or SD card reader