Special vintage doorbell from Friedland Stockport. Model 991 Chord. Measurements: 20 x 20 x 9 cm Double ding-dong with a lot of reverberation. 4 chime bars. Very recognizable sound from the 70s. Black plastic case and beautiful blue ceramic tile. Friedland made very stylish (and therefore recognisable) sets of doorbells with a great sound. Also great to use as a shop bell. Including matching transformer: Friedland: 764 12V 1 A. Works just fine! Will be packaged with care and shipped by registered post.