You are look at a slightly used Lenovo USB-C Gen 2 docking station. The docking station is fully compatible with ThinkPad series and also many other brand's PC/laptop with USB-C port. This docking station is capable of connecting up to 3 external monitors. 

For more technical information, please visit the official Lenovo website 
https://support.lenovo.com/us/en/accessories/acc500106-thinkpad-usb-c-dock-gen-2-overview-and-service-parts

Available ports on the unit includes:
  • Front: 1X USB-C, 1X USB3, 1X 3.5mm Audio Out and Mic Combo
  • Back: 2X USB3, 2X USB2, 1X USB-C (for laptop/PC connection), 2X Display Port, 1X HDMI, 1X RJ45 Gigabit Ethernet 

Included in the box:
  • Lenovo USB-C Docking station, Model:LDC-G2 Type:40AS
  • Lenovo 90 Watt Power Adapter, Model:ADLX90NLC2A, 100~240v input
  • Lenovo USB-C to USB-C cable, PN:SC10S97545

The unit is slightly used and is in excellent working condition.  It has been fully tested and will be shipped via USPS Priority Mail. Please feel free to email me if you have any question.