Model Name: XD-SR9800WE (White) Display: 5.7-inch touch panel (5.2-inch 864×480 dot TFT color LCD) Included Content: Contains 190 contents specialized for English learning, supporting a wide range of uses such as TOEIC and TOEFL preparation, business English, and essay writing. Power Supply: Operates on 2 AA alkaline batteries, or 2 eneloop/EVOLTA batteries. Body Size and Weight: Width 157.5mm, depth 101.0mm, height 18.4mm (when closed), weight approximately 285g (including batteries)