FEATURES.. Ease Of Operation TRI-CARRY HANDLE: Easy lift and carry. SMART DIAL: Simple and easy starting. YAMAHA SMART THROTTLE: Automatic load sensing technology. Other Features LONG RUN TIME: It will run up to 10.5 hours at 1/4 rated load on a tank of gas. YAMAHA QUIET TECHNOLOGY: Outfitted with Yamaha sophisticated muffler for quiet operation. ILLUMINATED MULTI-FUNCTION LED DISPLAY: See generator status at a glance both day and night. DC OUTLET: Flexibility to charge and use devices. FUEL GAUGE: Easily see fuel level at-a-glance. 50 STATE LEGAL: EPA & CARB. Power RV READY: 30-amp RV outlet. TWIN TECH: Connect two EF2200iS models in-line with a Twin Tech cable for rated 30 AMPS of power. YAMAHA PREMIUM INVERTER TECHNOLOGY: Clean power for all your sensitive electronics. Protection CO SENSOR: Engine shuts off if a high level of carbon monoxide is detected. OVERLOAD POWER RESET: Reset without shutting off generator. GROUND EARTH TERMINAL: Prevents electric shock. Reliability 3 Years Limited Warranty YAMAHA EASY CARB DRAIN: Prevent stale fuel issues. DURABLE YAMAHA MZ80 ENGINE: Designed for long life. OIL LEVEL SHUTDOWN PROTECTION: Prevents Engine Damage.