Ode to Polydoor Lippens (Friedland D117 Ding Dong)
For indoor use (wall mounting).
Ding dong sound, 2 notes (80dB @ 1m).
Dimensions: 17,1 x 10,5 x 4,8cm.
For wired use: 4 x 1,5V (batteries) or
220-240V (with 8V transformer).
Price: sold