DC 6V [ 4Pcs D / LR20 Alkaline Battery ] Optional Plug in AC Adapter on Input 110V – 240V / Output 6V,2A Roll Towel Width: Max. 210 MM [ 8-17/64″” ] Roll Towel Length: Up to 200M, Single-Sheet Dispensing Length (-4) Push center button to keep dispensing, Cover Material: Stainless Steel 304 cover ABS Plastic bracket & ends Body Thickness: 3.0MM, AC Adapter Specification : O Type DC plug at 5.5 x 2.5 x 10 MM SKU: WHKWUN00001 Category: Tissue Roll & Hand Towel Dispenser