The CALIFORNIA AIR TOOLS 4610A Ultra Quiet air compressor is designed to be one of the quietest air compressors in the industry having only 60 decibels of sound. This air compressor makes less sound than a normal conversation (65 decibels). 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 oil-free pump allows you to use in different temperatures and uneven terrains. The 4.6 gallon aluminum rust resistant twin air tank is lightweight (44 lbs) and easy to transport. The control panel comes complete with 2 – 1/4” quick release connectors that will allow you to use up to 2 tools at the same time. This air compressor is ideal for anyone working where noise is a major issue