The design of auto lens cap eliminates the worry of losing the cap and protects lens from dust/scratches, bringing great convenience and security for the ceiling mount. WiFi 6+Ethernet Connectivity+Bi-directional BT 5.2: The latest WiFi 6 tech provides you with a more stable and lag-free online experience.As the first projector 4k+ with Ethernet port, you can enjoy the full potential of your high-speed internet connection.