mounted boiler), K6H16A(for16A electric heating type), K6MRH3A-WIFI(Tuya Wifi version for 3A water heating, wall mounted boiler), K6H16A-WIFI(Tuya Wifi version for 16A electric heating type), 4 models optional.Multi-scenario Applicationss: It is a floor heating system suitable for room temperature control and household temperature control. It controls the operation status of floor heating equipment by comparing the ambient temperature and the set temperature, and improves comfort while achieving the purpose of energy saving. Suitable for home, office, shopping mall, hotel, airport, greenhouse, etc.Only For K6MRH3A-WIFI and K6H16A-WIFI:Mobilephone APP Control: After downloading the mobilephone Tuya/SmartLife APP you can remotely control the device whenever and wherever you want via the mobilephone APP. Whether you are on vacation, at work or home, you can enjoy the convenience of the mobilephone APP.Voice Control: High compatibility, compatible with and Google Assistant for voice control, freeing your hands and making it easier to control the device, maximizing the comfort and economy of your home environment, you can enjoy the convenience of technology.Specifications:Name: Temperature ControllerMaterial: PCModel: K6MRH3A, K6H16A, K6MRH3A-WIFI, K6H16A-WIFI (optional)Display: LCD displayVoltage: 90-240V, 50/60HZTemperature sensor: NTCTemperature accuracy: 1Working environment: -5 to 50Power consumption: <1WInput voltage: AC 90-240VLoad current: plumbing 3A(resistive), electric heating 16AItem size: 86* 86* 41mm/ 3.39* 3.39* 1.61inPackage size: 100* 100* 70mm/ 3.94* 3.94* 2.76inPackage weight: 300g/ 10.58ouncePacking List:1* Temperature Controller1* Sensing Cable1* Instruction Manual2* Screws