The Champion Power Equipment 3500-Watt Inverter Generator with CO Shield is ultra-quiet and ideal for camping . tailgating . powering items around the RV . or providing backup for your essentials. The reliable 122cc Champion engine produces 3500 starting watts and 2300 running watts . and runs for 10 hours at 25% load when the 1.2-gallon fuel tank is full. With a 0.4-quart oil capacity (included 10W-30) and a low oil shut-off sensor . this inverter operates at an ultra-quiet 58 dBA from 23 feet . which is about as loud as normal speech. Refueling in the dark is a cinch thanks to the Fuel Fill Assist LED . plus the no tool access panel allows for easy maintenance. Confidently connect your sensitive electronics since this inverter produces Clean Power (less than 3% THD). Our Quick Touch Panel offers fast access to all your controls. The covered outlets included are a 120V 20A household duplex outlet (5-20R) . a 12V automotive-style outlet . and a handy dual port USB adapter The optional Parallel Kit (sold separately) allows you to increase output by connecting up to two 2800-watt or higher inverters. Buy this EPA certified inverter generator with confidence ?C Champion Support and our nationwide network of service centers will back up your purchase with a 3-year limited warranty and FREE lifetime technical support. CO Shield technology monitors the accumulation of carbon monoxide (CO) . a poisonous gas produced by engine exhaust when the generator is running. If CO Shield detects unsafe elevated levels of CO gas . it automatically shuts off the engine. CO Shield is not a substitute for an indoor carbon monoxide alarm or for safe operation. DO NOT allow engine exhaust fumes to enter a confined area through windows . doors . vents or other openings. Generators must ALWAYS be used outdoors . far away from occupied buildings with engine exhaust pointed away from people and buildings. Meets the requirements of ANSI/PGMA G300-2018.