Built-in LED lighting on ceiling poles controlled by wall switch. 3 Levels of glare-free lighting - High Low Night light. Setup time as short as 60-seconds. H20 Block Technology combines water repellent fabrics and sealed seams. Fully taped rainfly helps resist rain. Lower air intake vents and mesh ceiling. Fully zipped windows. Large wall organizer. Lights require 4 D batteries (NOT included). Fits 2 air beds and sleeps up to 6 people. Floor size: 11ft x 9ft. Center height: 6ft. Durable 68D polyester. Includes Cary bag and 20 steel 7" stakes.