MADE OF METAL. ABOUT 4" 1/2. LONG CORD. SHOWS SOME MARKS ON LIGHT FROM MAGNET BEING MOVED AROUND. HAS POWERFUL MAGNET THAT CAN BE MOVED OR MOUNTED WHERE YOU WANT ON LIGHT. WORKS GREAT. BUYER PAYS $10.00 SHIPPING. I HAVE ANOTHER ONE WHITE IN COLOR LISTED JUST LIKE IT.