"NO BATTERIES NEEDED". ENERGY EFFICIENT LED with 100,000 hours life of light "NO BULB TO REPLACE". 8 foot power cord with inline rotary switch. Six removable adhesive clips to hold the wire out of the way. Brilliant FLEXIBLE PURE WHITE lighting for detailed projects and those hard to see places. Small, uses NO COUNTERSPACE, while easy to use. PERFECT for dark fabrics and matching seams. NONMAGNETIC mounting bracket that the Light SNAPS into. Bracket attaches to your machine with double sided 3M adhesive. QUALITY METAL flexible arm and METAL light housing. GREAT for power tools, workshops and craft areas. Makes a fantastic GIFT! Additional mounts can be purchased if you have more than one place you would like it mounted or more than one machine. Just move it.