LCD display with auto-stop cassette mechanism. Bass boost system with 110/220V dual voltage operation. 2 way power either DC battery or AC power; NOTE: Check User Manual in Technical Specification before use. Item Dimensions LxWxH: 19.9 x 9.9 x 9.9 inches. Product Dimensions: 19.9 x 9.9 x 9.9 inches. Item Weight: 9.15 pounds. Item model number: NPB-426. Batteries: 8 D batteries required. Date First Available: February 23, 2012.