Controllable with the Car System Digital software! Compact, radio-based expansion module with five outputs (e.g. for points and other switched elements), as well as one input. Ideal for controlling turn-off or stop manoeuvres in connection with a correspondingly desired signal image. The outputs can be configured individually or joined together to form different light images which are then communicated with via a single address. Usable with: - Car System Digital, Radio Master, Art. 161346 - Car System Digital, Master, Art. 161354 - Car System Digital, Beginner’s Set, Art. 161355 Several radio extension modules can be used in the system. The connection is made to 16 V AC.