Cam Link 4K, 2160p 30FPS, 1080p 60FPS, HDMI (unencrypted) Input, 3840x2160p30, 1920x1080p60, 1280x720p60, 720x576p50, 720x480p60, Real-Time Feedback, 8.1 x 1.2 x 3.1 cm, 20g, Requirements: Windows 10 (64-bit), macOS Sierra 10.12, USB 3.x port