Features: This DVI switch has 3 DVI ports, 2 inputs and 1 output, allowing 2 DVI devices to be displayed on a single DVI display device. The switcher supports different resolutions, including 4K 1080P You can share the most luxurious videos with friends or family. Imported high-performance combination chips are used to support hot swapping. The durable cold metal for shell protects the inside and keeps the device cool by fast heat absorption and heat dissipation, ensuring stable and smooth work for a long for time. Compact size, simple plug and for play installation. Suitable for most devices with standard DVI interface. Specifications: Switch Type: DVI KVM Switch Size:approx 205x75x26mm/8.07x2.95x1.02in Cable Length: about 10m/32.8ft Color:Black DC:5V Material:Metal Resolution:4K 1920x1080P Output: 1 x USB Input: 2 x USB Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x USB Switch 2 x USB Cables 1 x Power Cable 1 x User Manual