This is a good way to lower your energy bills.
E.g. you can lower the temperature during the night when you are asleep and in the middle of the day when you are at work.
This large capacity unit can control up to 64 wireless devices.
Otherwise same functionality as GSM ECO-Comfort but with Modbus and RS485 in addition and intended for installation in the fuse box.
See GSM ECO-Comfort for more details.