-The item includes a mobile arm and a mobile music motor(motor requires 2 AA batteries, not included.)-The baby crib mobile holder is claw type,opening width 0.1''~3.44'',fit most crib.-The crib mobile music box is different from other motors. It has 3 modes:rotation only,music only,rotation & music.UNIQUE in the market.-Auto-off after 30 minutes,12 soft lullabies,the volume is adjustable (0 ~ 100).Farewell to the noisy mobile music box.-The greatest partner of nursery decor, DIY a unique crib mobile for your little one.*If you look for a motor with 3 modes, rotate and play music, music only , rotation only. Or you need a music box that can adjust the volume at will. FEISIKE CRIB MOBILE MOTOR just meets your needs.*If you have any questions or need technical support, please contact the seller, and we will be responsible for the product.*Communication is the fastest way to solve problems-- A sincere seller.CategoryKids > Nursery > Nursery decorSizeN/ABrandNoneConditionNew