The CALIFORNIA AIR TOOLS 8010ALFC Ultra Quiet & Oil-Free Air Compressor is designed to be one of the quietest air compressors in the industry having only 60 decibels of sound. The powerful 1.0 HP motor operates at only 1680 RPM creating less noise and less wear. The Oil-Free Dual Piston Pump System is engineered for high performance and durability. The MP100LF motor/pump has been designed to increase duty cycle and allow for longer continuous run times. The Dual Piston Pump System produces 25% more air compared to other 1.0 Hp air compressor motors. The Long Life MP100LF motor/pump has been tested for a minimum life of 4000 hours before wear and service. The Oil-Free pump allows for use in a variety of temperatures and uneven terrains. The large 8.0 Gallon Aluminum Air Tank is Lightweight and Rust-Free (40 lbs) with wheel kit that makes it very easy to transport. This air compressor is ideal for anyone working inside where noise is a major issue.