The Champion Power Equipment 4500-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. Champion’s EZ Start Dial makes getting started quick and easy. This unit features Cold Start Technology, Extended Run Time, and an easy to read fuel gauge. With a 0.5-quart oil capacity (included 10W-30) and a low oil shut-off sensor, this inverter operates at an ultra-quiet 61dBA from 23 feet, which is about as loud as normal speech. The no-tool access panel and oil drain tube allow for easy maintenance. Confidently connect your sensitive electronics since this inverter produces Clean Power (less than 3% THD).