Fangrui Product Details Basic Functions: Storing Memory, Programming Time Slots, Button Control, Intelligent Timing, Color Lcd Display With Wifi Options, Manual/automatic Simulation Accurate Temperature Control: 3a Water Heating/boiler With Built-in Temperature Sensing Probe. Storage Memory: Dont Worry About Power Outages Causing Setting Data To Be Lost. Child Lock: Keyboard Lock Effectively And Safely Prevents Children From Misoperating Product Usage:3a Is Suitable For Water Systems/gas Boilers/wall Mounted Boilers/water Pumps. For Use In Various Places Such As Homes, Offices, Shopping Malls, Sprinkler Shops, And Nursing Homes. Product Name: K1m Color Screen Floor Heating Thermostat+wifi Load Current: 3a For Water Heating (resistive) 3a With Linkage Function: The 3a Temperature Controller Has Powerful Functions And Can Be Used For Water Heating/gas Boilers/wall Mounted Boilers, Without The Need To Stock Multiple Models. Power Supply Voltage: 90v-240v Ac Maximum Power: 4500w Temperature Sensor: , Temperature Control Ac