DEK 4550 Watt, 6000 Surge Watt Commercial Grade Generator Commercial grade generator with 3 Year or 300 hour limited warranty Features a brushless, 100% copper alternator for greater durability Oversized muffler silent dampeners deliver 70 dB sound levels for quiet operation 270 cc, 4-stroke, commercial duty engine with automatic low oil shutdown to prevent the engine from seizing Digital Diagnosis Display shows voltage, frequency, hour reading, when oil is needed, and overall performance Includes retractable handle-bars and never-go-flat wheels for easy transportation No additional parts required Minimal assembly required