Tubular motor with electronic limit switch, built-in receiver and Nice TTBus technology. Size S 35 mm Simple remote adjustment of the limit switch by transmitter or with the O-View TT and TTPRO external programming units in automatic, semi-automatic or manual mode. Useful feedback from roller shutter movement. Thanks to Nice TTBus 3-wire technology, motor movement can be managed by means of a low-voltage control; simple and intuitive wired connection to climatic sensors without external control units and/or via radio. Ideal for rolling shutters.