Basic functions: storing memory, programming time slots, button control, intelligent timing, color screen LCD display with WIFI options, manual/automatic mold testing Memory storage: Don't worry about power outages causing settings data to be lost. Children's lock: keyboard lock effectively and safely prevents children from accidentally operating Perfectly suitable for places such as homes, offices, shopping malls, sprinklers, and nursing homes. Doodle APP mobile remote: Download TUya APP from your mobile phone, and all controls are controlled through intelligent mobile control. Convenient and simple, enjoy smart life more 3A with linkage function: The 3A temperature controller has powerful functions and can be used for water heating/gas boilers/wall mounted Load current: Water heating 3A (resistive) Accurate temperature control: 3A water heating/boiler with built-in temperature sensing probe. Product Usage: 3A is suitable for water systems/gas boilers/wall mounted boilers/water