Basic functions: storing memory, programming time slots, button control, intelligent timing, color screen LCD display with WIFI, manual/automatic mold testing. Memory storage: Don't worry about power outages causing settings data to be lost. Child 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 on your mobile phone, and all controls are managed through intelligent mobile control. Convenient and simple, enjoy smart life. 3A with linkage function: The 3A temperature controller has powerful functions and can be used for water heating, gas boilers, wall mounted systems. 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 pumps. Power supply voltage: 90V-240V AC. Maximum power: 4500W. Temperature sensor: NTC. Temperature control accuracy: ±1°C. Display: LCD. Temperature setting: 5-60°C. Self-consumption power: Less than 1W. Programming period: The temperature controller supports 6 different time settings per day. Voice control: supports voice assistants such as , Xiaodu, Tmall Genie, and YANDEX. WIFI communication protocol: Tuya protocol, compatible worldwide. Material: plastic + metal. Color: grey. 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 to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.