Plug and play, support SD/TF card reading functionSupport memory cardSD slot: support SD, SDXC, SDHC, RS-MMCTF slot: Support Micro-SD, Micro-SDHC, Micro-SDXCOutput interface: 4K HDMI + Fast Ethernet port + SD / TF card slot + 2 USB 3.0Installation method: externalBare metal size: about 9.5x5x1.7CMUse speed: up to 5Gpbs (USB 3.0) 480MBPS (SD/TF)HDMI resolution: maximum support 3840*216Due to different production batches, there is a one-time error, which does not affect the functional use.Colour: picture colorMaterial: plastic + metalPackage Contents:1 * HDMI adapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.