Signo door phone compatible with Ipervoice

  Colour: Available in White, Anthracite and Hi-Tech Grey

  Dimensions: 225(W) x 85(H) x 42(D)mm

  Signo door phone is currently smallest on the market, available in colour and
  black versions. Colour version has 4" LCD display, the black and white version
  has 4.5" LCD display.

  Features: Flat surface, no sharp edges, profiles are rounded, user-friendly
  buttons (door opener plus three supplementary auxiliary buttons for
  operating secondary services).

  Integrated hearing aid set up