Basic functions: storing memory, programming time slots, button control, intelligent timing, color LCD display with WIFI , manual/automatic simulation Storage memory: Don't worry about power outages causing setting data to be lost. Child lock: Keyboard lock effectively and safely prevents children from misoperating Voice control: supports voice assistants such for Amazon, Google, Xiaodu, Tmall Genie, and YANDEX WIFI communication protocol; Tuya protocol, covering the world Product Introduction: Load current: WIFI Water Heating 3A Power supply voltage: 90V-240V AC maximum power: 4500W Temperature sensor: NTC Temperature control accuracy: 1 Display: LCD temperature setting: 5-60 degrees Celsius Self consumption power: Less than1W Accurate temperature control: 3A water heating/boiler with built-in temperature sensing probe. 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. Product Usage: 3A is suitable for water systems/gas boilers/wall mounted boilers/water pumps. Perfect for use in various places such as homes, offices, shopping malls, sprinkler shops, and nursing homes. Material: plastic+metal colour: Black Package Contents: 1 x Tuya WiFi Smart Thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.