Rainshower F-Series Sound set 127 x 127 mm per module full range stereo speaker consisting of: 2 speakers with plug connections waterproof & corrosion protected GROHE StarLight chrome finish requires rough-in set (29 073 000), F-digital Deluxe base unit box (26 374 000 or 36 397 000), Bluetooth unit (36 371 000) and various cable connections – all to be ordered separately due to installation situation