Input output unit for artelinks Apriremo il De Amicis a Cant Autosilo interrato da 100 posti Cronaca. Input output unit for artelinks Make your home more fun and convenient with programming! Expansion unit Input output unit! This is a sensor that can be connected to a motor or external sensor. It is a unit that can be connected to a main unit (sold separately) to expand the functionality. It can be easily connected to the main unit by magnetic connection, which does not require complicated wiring. A main unit is required to use the product. 353718mm Body only ABS