Specifications Item Model Number: JBSF-350F Power: 50W Airflow: 3000 CFM Fan Blade: 12 in / 30.5 cm Temperature & Humidity Function: Yes Smoke Sensor Function: Yes Color: Black Main Material: Aluminum Alloy (1060) Net Weight: 18.96 lbs / 8.6 kg Item Dimensions: 22.2 x 10 in / 565 x 255mm Package Content Roof Attic Exhaust Fan x 1 Remote Control x 1 Battery Panel Support Bars x 2 Fixed Aluminum Plates x 2 Screws x 6, Nuts x 2 Power Adapter x 1 Temperature & Humidity Controller x 1