BRID Duct Rail Fan Φ40 Size: Diameter 40cm x Height 16.5cm Weight: 300g Materials: ABS, Polycarbonate Remote control not included. The motor sound is quite loud during operation, but it has been like that since purchase. It will be disassembled for shipping, but can be easily assembled with a Phillips head screwdriver. This item is useful for efficiently circulating both the air and the airflow from heating and cooling systems.