1.Manual control of heating, cooling, fan operation 2.have the CE .ROTH 3.2 years warrant 4.Maintenance-free design Mechanical FCU Thermostats ,Electronic heating thermostat , Programmable Heating Thermostat .Touch screen FCU thermostat ,FCU Thermostats with LCD ,air conditioner thermostat ,room Thermostat,digital Thermostat, intelligent Thermostats ,capillary Thermostat,wiring Thermostat, ...