Additional Details ------------------------------ Product description: Screen Touch Panel Size: 5.7 type LCD Size: 5.2 model (864 x 480 dots) LCD Specifications: TFT color LCD Keyboard: QWERTY layout Main Unit Memory Capacity: Approx. 900 MB Power Supply: 2 x AA batteries (included) Usage Time: Approx. 130 hours External Dimensions: W 6.3 x H 0.7 inches (18.4 x 10101 mm) x D 101 mm) Weight: 1 g) 1 x AA pen 2 x alkaline batteries