IntelliPAP from DeVilbiss is a new line of CPAP Machines. This product is available with heated humidifier or as a stand-alone unit. The machine snaps on to the optional humidifier and all controlls are handled directly throught the CPAP Machine. No additional cords, cables or tubing are required for the humidifier.This CPAP Machine is the QUIETEST MACHINE on the market at only 26 dba and features a three year warranty. Additional features include automatic altitude compensation up0 to 9000 feet and delay ramp pressure, 8ft. power cord, backlit large butons for ease of use, smartCode key for data storage/download, and easy to use functionality.