It is easy and convenient to use this expansion dock because it is plug and play and widely compatible. This expansion dock supports stable and high-speed data transmission, fast charging and HD-compatible image quality because it features intelligent chip and high resolution. It is made of high-quality aluminum alloy, ABS and copper material. This expansion dock supports the same screen and split screen modes. The length of this product is 6.12cm, the width is 4.5cm and the height is 1.56cm. This expansion dock is compatible for computer. Item Name: Docking Station Material: Aluminum Alloy, ABS, Copper Interface: Type-C Expansion Interface: 1 x USB3.0, VGA, HDMI-compatible, PD Power Output: 5V-20V Current Current: 3A-5A Power: 15W to 100W Power Input: 5V/1.5A USB3.0 Transmission Speed: 5Gbps Features: Multifunctional, Fast Transmission, Lightweight Size Details: L: 6.12cm/2.41", W: 4.5cm/1.77", H: 1.56cm/0.61"(Approx.) Cable Length: 12cm/4.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Docking Station