Warranty?You will receive one USB Type C to DVI I adapter and a 24-month worry-free warranty. We also provide lifetime tech support for all CableCreation products. If you have any further questions, please do not hesitate to contact us. Compatible Models?This adapter is compatible with MacBook Pro 2019/2018, iPad Pro 2018, Mac Mini 2018, iMac 2017, Surface Book 2, Surface Go, XPS 15 & 13 & 12, Yoga 920/910/900, Spectre x360 13 & 15 inch, Galaxy S22, S8, S9, S10, S20, G5, G8, 10, and other USB C devices. Please check the page for more compatible models. Note that it may take longer to sync when using this adapter with a smartphone. Plug & Play, UHD Resolution?This USB C to DVI adapter supports up to 1080P@60Hz and is backward compatible with 1080P@24Hz/50Hz/60Hz, 720P, 480P, 576i, 480i @50Hz/60Hz. It allows you to mirror or extend your screen to HDTVs, monitors, or projectors for a cinema-like visual experience. Video Only?This DVI adapter transmits video only and does not support audio. It is not compatible with old DVI monitors like Cinema HD Display (30-inch DVI) and does not support Dual-link DVI. USB C Devices need Support DP ALT Mode?This USB C to DVI 1080p Adapter is compatible with Thunderbolt 3 laptops and USB C devices that support display output. Please check your device's compatibility before purchg.