Tiptel ergoVoice XL1. Phonebook capacity: 50 entries. Display resolution: 64 x 128 pixels, Display size (HxV): 35.6 x 35.6 mm (1.4 x 1.4 "), Display diagonal: 50.8 mm (2 "). Frequency band: 1.88 - 1.9 GHz. Base dimensions: 110 x 91 x 110 mm, Handset dimensions: 60 x 30 x 173 mm, Handset weight: 133 g. Operating temperature range (T-T): 15 - 35 °C, Storage temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 0 - 90 %