Input detection of 12-24VAC/DC signals, LED indicator for each channel, max. input cable length 100m, To connect push buttons or window/auxiliary contacts, 4 integrated logical modules, e.g. interpretation of the inputs, (e.g. window closed or sending of an second object), NO or NC contact operation, sending of contact state, Operation of blinds and shutters, 1 and 2 button operation, Forced setting function for each output, Scenes, block communication object for each channel, Operation with short/long button push and 2 objects, Counting of pulses, suitable for 30ms S0 pulses, Cyclical sending, sending after reset, Internal contact voltage 12V, Modular installation device for DIN 35mm rails, Integrated bus coupling unit, 3 years warranty.