Champion Power Equipment 100109 6500 Watt Portable Generator Reliable 6500 Watt generator features Volt guard to keep appliances and equipment safe Volt guard is a built-in surge protector which prevent overloads and surges from damaging appliances and equipment Champion engine provides up to 11 hours of run-time and includes intelli gauge with power meter to keep track of voltage, Hertz, and Run-time hours to easily monitor power output and track maintenance intervals