Champion 3500-Watt RV Ready Portable Generator (CARB) Designed for Safety  Includes a low-oil shut-off sensor and has a 0.6-quart oil capacity (recommended 10W-30) Reliable and Powerful  At 4000 starting watts and 3500 running watts, enjoy up to 12 hours of run time on a full tank of gasoline with a noise level of 68 dBA from 23 feet Outlets  A 120V 30A locking outlet, a 120V 30A RV outlet and a 120V 20A household outlet Volt Guard  Prevents overloads and keeps your valuable equipment safe from voltage spikes, plus a voltmeter allows you to monitor power output at a glance Champion Support  Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts