Deutsche Telekom 40247230. Volume control: Digital. Phonebook capacity: 50 entries. Display: LCD, Display number of colours: Monochrome, Backlight colour: Blue. Weight: 0.135 kg, Dimensions (WxDxH): 149 x 49 x 24 mm, Base dimensions: 113 x 113 x 40 mm. Talk time: 10 h, Standby time: 100 h, Battery technology: Nickel–Metal Hydride (NiMH)