... foot, and leg, which makes effective therapy Specification: Power Source DC4.5ν (Use 3*AA alkaline dry ... batteries or external power source) Size 150mm(length)*100mm(width)*46mm ( ... machine,digital diagnoses & therapy machine,foot massager,infrared therapy machine,head massager,massage hammer,etc.We accept OEM order.CE,RoHS,ISO9001 Approved.Your Health,Our Will! CE&RoHS Approved ...