Highlights: ·17 polyphonic ring tones. Technical Specifications: Colour: White · Current consumption: 0.28 A · Dimensions: (W x H x D) 50 x 50 x 43 mm · Max. ringerl volume: ~ 83 dB (A) · Number of melodies: 17 · Operating voltage: 8-12 V · Product Specifications: Dimensions 80 x 80 x 11 mm Description: Possible integration in switching programs (50 x 50 mm). 2-fold call differentiation. Mute. Continuous volume adjustment of front.