Surface mounting set-PMM-AP-SET-WW

for ceiling installation of KNX presence detector mini (ref.-no.: 3361 M WW, 3361-1 M WW) and KNX brightness controller mini (ref.-no.: 2096 LUX) Dimensions (Ø x H): 80 / 83 x 49 mm (incl. design ring) Design ring Ø inside: 35.6 mm, Ø outside: 80 mm