This 5-in-1 Sleep System is a portable sleeper, bassinet, bedside sleeper, play seat and changing table! Battery-operated sounds including music, heart beat, rainfall, white noise, birds/nature. Nightlight is built directly into the handle. Base design allows for rocking back and forth or locks in place. Can wheel it around with ease. Bassinet easily converts into a bedside sleeper that securely attaches to adult bed. Great for baby before transitioning to a crib. Batteries not included.