The six-speed swing operates on 4 D batteries and its unique battery-saving design consumes half the battery power as compared to other swings. TrueSpeed technology keeps the swing speeds constant even as your baby grows. The headrest and seat pad are machine washable. Bright Starts, Bellavista InGenuity Cradle and Sway Swing: Appropriate for infants weighing at least 6 lbs. and no more than 25 lbs. Offers both front-to-back and side-to-side movement Head rest and cushioned bolster system for ultimate comfort Pivoting toy-mobile swings out of the way for easy access to baby Soft, plush toys on tray and mobile TrueSpeed Technology features 6 swing speeds even as baby grows 10 melodies and nature sounds to soothe baby Comfort Recline seat with 2 positions to suit baby's needs 5-point harness keeps baby secure Machine-washable seat pad and head rest Whisper Quiet operation for peaceful swinging Easy-to-remove tray can lift up or be removed 3-Setting Swing Timer: 30, 45 and 60 minutes Dimensions: 38"L x 30"W x 41.5"H Requires 4 D batteries (not included) Battery-saving design uses half the battery power of other comparable swings Assembly required