Before purchase:>>Some USB C ports only have charging or data nsfer function, no video output function.>>Please e sure the USB C Port has video output function before purchase (For example, it can't work for Redmi, ZTE axon 7 and Nintendo Switch).Features:1.【Dual output】Video signals from a PC equped with a USB Type-C terminal can be output simultaneously to a display, HDTV, etc. equped with HD or VGA input terminal. This adapter can extend up to 2 screens.2.【Support 4K Max】USB C to HD VGA Adapter Supports video resolution up to (4K * 2K) at 3840 * 2160P / 30Hz. when HD alone, It support a large screen liquid crystal TV or display compatible with 4K max output.3.【No Driver】It is unneceary to install the driver, it can be d easily just by inserting the cable. Also, external power supply is unneceary, so you can it in your favorite p.4.【Compatible Models】Type-C devices supporting USB-C DP Alt Mode: for 2015 book/2016 book 12''/13''/15'' /2016 book Pro /2017 book /2017 book pro with Touch Bar/Dell XPS12(9250)/Dell XPS13(9350)/Dell XPS15(9550)/Dell Precision5510/HP Spectre X2/HP Spectre X360/HP Elitebook Folio G1/HP Elite X2 1012 G1/Acer Switch Alpha 1/Acer n7/Acer Chromebook R13/Chromebook Pixel/Lenovo 900/Lenovo 910/Samsung /Samsung plus/HuaWei MateBook, etc.5.【Multi Display】You can extend the computer screen to a large screen display or , set up duplication (mirroring), work in a large screen workspace, or it for presentation with a etc. in mirror mode. While the two output ports working at the same time, the highest resolution of HD output is 1080P only.Specifications: Strong Performance :Compatible Performance EnhancementCPU High Speed OperationOptimization Avoid Quality DistortionAvoid ic Field InterferenceNo driver installation required, just connect it.Connector: USB Type-C Male to HDMI-compatible/VGA femaleMaximum display resolution: HD terminal: 3840 × 2160 (30 Hz) VGA terminal: 1920×1200@30 Hzant Notes:>>The resolution of HD/VGA only support 1080P 60Hz when HD and VGA work at the same time.>>The video/audio output ONLY works for device with Type-C port DP ALT Mode, so check your device instructionPackage Included:1 x USB C to VGA HD Display Adapter