A++ rated this 2-1 Multi Split comes with the outdoor unit and two indoor units. 1 of 9,000BTU which is suitable for 18sqm and a 12,000 BTU indoor unit suitable for up to 25sqm. A module for Wifi is optional for each indoor unit which allows remote control from a Smartphone using the app FGLair. Average sound levels: 23db indoor / 53db outdoor. Boxes contain remote control and manuals. BUY WITH OPTIONAL INSTALLATION.