The Official Sound Conditioner of the National Sleep Foundation - this is what Serious Sleep is all about. Developed over 50 years ago, Dohm is the Original sound machine you've probably heard about. Its iconic shape is easy to recognize. Turn it on, and tune out the rest of the world. The Dohm-DS consists of a compact adjustable acoustic housing surrounding a two-speed electric motor with a unique asymmetrical fan. This design allows it to create the soothing sound of rushing air, Marpac Signature Sound, without the disturbance of actual moving air. This natural "white noise" sound has been proven to effectively block noises at a broad range of frequencies, so you can get deep, undisturbed sleep all night long. The Dohm?s two speeds and adjustable tone and volume allow you to control your personal sound environment with the simple twist of a wrist.

• Two speeds
• Fully adjustable tone and volume control
• Integrated vibration dampening rubber feet for improved sound quality
• Color options: white, black, or tan
• Power options: US 120V? for domestic use only.
• Size: 5 3/4" base diameter: 3 1/4" high