The FIRMAN W01784 Inverter generator features 2100 starting watts and 1700 running watts. Our Whisper Series muffler keeps the W01784 running a quiet 54dB ?C well below National Park standards and is equipped with ECO mode to vary the power load needed to maximize fuel efficiency. The W01784 has a built-in parallel kit allowing to double power with any of our inverter generators. The 0.9gal gasoline fuel tank runs for 10hrs and is California/Canada emissions certified. At a lightweight 54lbs . travel anywhere with the W01784 and quietly enjoy nature . work . and play. Note: Everything you need is in the box including: oil . funnel . operator’s manual . and spark plug wrench.