This product is either discontinued or we cannot get that from suppliers.
Logitech 939-001553 Screen Share, Cable Length 9.84 in (250 mm), Input 1280 x 720 (720p) or 1920 x 1080 (1080p), up to 60 fps, Output 1920 x 1080 (1080p), up to 30 fps, Audio 48 KHz/ 16-bit PCM, Input HDMI 1.4a and higher, Output USB 3.0 or 2.0.
Logitech Screen Share brings fast and easy content sharing to any conference room computer. Simply connect a laptop or tablet via HDMI to start sharing: there’s no need to install software, enter a passcode, or even connect to the internet.