Specifications: Exterior: Cement board, resistant to rain, sun, and wind, insulated. Interior: Gypsum board. Size: 4x6 meters. Includes a sink. Bathroom and sink. Includes interior and exterior lighting. Doors: Exterior, room, and bathroom doors are made of iron. Split air conditioner, 18,000 BTU, hot/cold, Mando. Water heater also included. Cost: Approximately 20,000.