• Voltage: 120V.
• Dohm-DS formerly known as the mate/Sound Screen 980A.
• Creates the soothing sound of rushing air known as white noise - with two speed operation for a greater range of sound.
• Provides excellent noise-ing capabilities and a soft comfortable background sound where it might otherwise be too quiet.
• Perfect for baby nurseries - day care centers - college dorms - apartments - or any environment where unwanted disturbing or intrusive noise is a problem.
• Suitable for home - office - or - travel use and ships in frustration-free packaging.
• Made in the USA; Made of durable plastic; One year limited warranty; UL listed.

This is what serious is all about. The Dohm-DS by Marpac is the Original Sound Conditioner, first introduced in 1962 and beloved by generations. ----------------------------------------------------------------- The Dohm effectively s unwanted noises and creates a calming sound environment, making it easier to concentrate, relax, or get some serious . Dohm produces the soothing “shushhh” sound of rushing air without the disturbance of actual moving air. It consists of a compact adjustable acoustic housing surrounding a two-speed electric motor with a unique asymmetrical fan, for greater flexibility in tone and volume. This design allows Dohm to produce a completely natural constant yet customizable sound - Marpac Signature Sound - using no digital loops or s. This simple, effective sound conditioner is able to block distracting noises across a range of frequencies for deeper , relaxation, and concentration; it also helps protect confidentiality in places where sensitive information is shared. For those who prefer some noise to no noise at all, the Dohm provides a soft, comfortable background sound where it might otherwise be too quiet. Recommended for infants, restless ers, shift workers, students, spouses of snorers, apartment dwellers, and many others. Easy to Use ----------- The UL-listed Marpac Dohm-DS has an 8-foot power cord and runs on a standard US 120-volt household current. It is simple and easy to use, yet customizable. First choose "high" or "low" setting with the flip of a switch, then fine-tune the sound to your preferred tone and volume simply by twisting the cap and collar. Durable, Lightweight Construction --------------------------------- For quality, durability, and easy care, the Marpac Dohm-DS is made in the USA of sturdy plastic. This compact, portable sound machine is just 3-1/4 inches high with a base diameter of 5-3/4 inches, giving it a small footprint on your desk or nightstand. At just 1-1/2 pounds, the Dohm is light enough for easy traveling. The Marpac Dohm-DS is backed by a one-year limited warranty. NOISE ----- blocks out the loud guy in the apartment upstairs NURSERIES --------- is like a lullaby for babies (and their parents) SNORING ------- "saves marriages!" say spouses of snorers SHIFT WORK ---------- helps shift workers while the world is awake OFFICES ------- s office chatter--keeps conversations confidential DORM ROOMS ---------- creates a sound study zone in dorm rooms