This product is either discontinued or we cannot get that from suppliers.
KENSINGTON 33993, Kensington CV4000H USB-C 4K HDMI Adapter, Thunderbolt 3 compatible, Plug & Play, Premium construction, User-upgradeable firmware
Have a crystal-clear resolution of 4K Ultra HD at 30fps, video expansion adapter for your TV or projector via Kensington CV4000H USB-C.