Conair Sound Therapy Sound Machine Model SU1W White Noise Maker (10) soothing sound choices. Tested & Working Large easy to feel turn dial for volume control 6V DC wall adapter included Can also run on (4) AA alkaline batteries Condition: pre-owned in great condition. Tested and working perfectly. Light scratches on item from normal use. Item has been surface sanitized. Clean, Smoke free home. Fast shipping M-F (excluding holidays) All items sold as is and as described. Please see all photos as these are part of the description and read full description with measurements. Happy to answer any questions prior to purchase.