Auerswald Comfortel 2500. Flash memory: 2048 MB. Display: LCD, Display resolution: 128 x 64 pixels, Display number of colours: Monochrome. Weight: 1 kg, Dimensions (WxDxH): 261 x 216 x 109 mm. Power supply: 0.6 W, Power consumption (typical): 2 W. Certification: CE