AVR – Auto Voltage Regulation for “clean power”. Keeps voltage within 3% (+/-) of rated voltage. Brushless Alternator – No brushes to change, unlike brush type alternators which require replacement every 200 hours. Genuine CooperTM brand GFCI Outlets – High quality electrical components that eliminate the possibility of shock to the operator. Master Circuit Breaker – Eliminates damage of alternator and components. Voltage Meter – For easy monitoring of generator performance. 12 volt DC Outlet – provides 6.2 amps of DC power. ETL Certification – All electrical components are built to North American safety standards. EPA Certified Overhead Valve Engines – Built to meet EPA regulations for North America. Large Fuel Tanks – Ensures 8 hours of run time on a single tank. Standard Wheel Kits – for ease of maneuverability. Roll Cage – Ensures protection of all components within the frame. Electric Start (7kw Only) – For ease of starting and includes sealed battery.