Standard Accessory Steel Weatherproof Canopy Built In Fuel Tank For 8 Hours Running Built In Control Panel Built In Start Battery Power Output Rapid Insert Windows For Looking Air Louver For Intake & Exhaust Exhaust Gas Silencer Common Weatherproof Type Soundproof Type ( below 75dBA @ 7m) Container Soundproof Type ATS for Optional Distributor Panel for Optional Clearable Silent Material without Glue silent generator