The main characteristsis of this telephone handset, for  "2Plus"   2 wire audio installations are:
 
ABS plastic housing in RAL9002 white colour.
Detachable telephone cord with connectors.
Privacy on audio and door open progress.
Input for door bell apartment push saving the use of a seperate door bell.
Maximum number of units in the same apartment is two.
 
Dimensions: 220mm x 86mm x 56mm