Relaxing sounds and soothing lights make this HoMedics SoundSpa Traveler sound machine a calming addition to any bedroom. Set the timer to run for a specified period of time and then settle in to gently drift off to sleep. When the timer runs out, the machine shuts off automatically to conserve battery power and ensure you get a restful night’s sleep. | HoMedics SoundSpa Traveler Sound Machine (SS-1000)