Optoma EH401 Owner's manual

Hello! I've reviewed the datasheet for the Optoma EH401 projector. It's a Full HD 1080p projector that boasts 4000 lumens brightness and 4K UHD and HDR compatibility. I can answer questions about its features, specifications, and connectivity options. Just let me know what you'd like to know.
What is the brightness of the projector?

What is the native resolution of the projector?

Does the projector support 4K and HDR?

What type of lamp does the projector use?