Tiptel 275 Analog. Phonebook capacity: 1000 entries, Call list capacity phonebook: 2 x 20. Display: LCD, Display resolution: 64 x 128 pixels. Weight: 1000 g, Dimensions (WxDxH): 270 x 210 x 110 mm. Compatible operating systems: Windows 98SE, ME, 2000, XP, VISTA 32 bit. Power supply type: 230V / 50 Hz, Power supply: 2.5 W