Questions about Danfoss BasicPlus2 room thermostat, for underfloor heating with display5-30C

Thank you for the hint, otherwise all information of the manufacturer would be here https://store.danfoss.com/at/en/Climate-Solutions-for-heating/Hydronic-floor-heating/Room-controls/Room-Thermostats%2C-BasicPlus-BasicPlus2%2C-Room-Thermostat%2C-230-0-V%2C-In-wall/p/088U0622