THE AD SAID CORDLESS, BUT THERE WAS A CORD ON THE CROSS-WAVE THAT I RECEIVED I USED IT ANYWAY AND THE DOG HAIR THAT IT PICKED UP WAS INCREDIBLE SINCE I HAD THE RUG CLEANED BY A RUG CLEANING CO.ABOUT A MONTH AGO ,AND I DIDN'T HAVE A DOG ANYMORE.THANK YOU.AL GAGNE