Specifications:It can only transmit video from USB C to Mini DP, it is not a two-way cable.The item compatible with for Apple Cinema Display or for iMac (target Display mode).You need check PC for updated USB-C or Thunderbolt 3 drivers.It can connect a computer with USB-C/Thunderbolt 3 to a display with a Mini DisplayPort.Displays with Thunderbolt/Thunderbolt 2 are not compatible.It does not support for Thunderbolt/Thunderbolt 2 with target display mode set to for iMac (after 2010)It does not support for Apollo twin or for Apollo outfit.It not compatible with for Apple Thunderbolt/Thunderbolt 2 displays.Data transfer to Thunderbolt/Thunderbolt 2 devices is not supported. Item Name: AdapterMaterial: PVCFeatures: Simple Operation, Plug and Play, PortableSize: 21cm x 0.6cm x 0.5cm/8.27inch; x 0.24inch; x 0.2inch; (Approx.) Notes:Due to the light and screen setting difference, the item 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Included:1 x Adapter