How can I process low voltage signals? Oliver Landertshamer March 20, 2023 08:59 Updated Follow The SW-UMR200 has 2 potential-free inputs (7,5-50V DC / 7,5-230V AC) and 2 potential-free relay outputs (changeover contacts) to integrate devices such as alarm systems, door locks, door bells, pumps etc. Related articles How can motion detectors be integrated? Why is IFTTT no longer available for dS? Which devices can be linked and controlled with digitalSTROM? Does digitalSTROM offer a driver with 10V input? digitalSTROM Sonos Version 2