Comes with batteries. Has three light settings! The Light-Up Be Careful What You Wish for Christmas Sweater in size Large by Spencer's is a festive and stylish addition to any woman's wardrobe. Made from a blend of cotton and acrylic, this multicolor pullover sweater features long sleeves and a Christmas theme that is sure to spread holiday cheer. The unique design, with illuminated lights and a cautionary message, adds a touch of whimsy and fun to the sweater, making it a standout piece for the holiday season.