Before Shopping EP mode (16A): is used to administer heat surface electric heiting system,such as heating mat/cable/film; WP mode (3A): is used to regulate electric thermal actuators, valves; WPB mode(3A): is used to regulate the boilers or heaters that are related by approach of "Dry Connected"Main Functions[APP Remote Control] ---- Download Smart Life/Tuya Smart APP in your phoneTablet to manage the wifi thermostat temperature controller anywhere/anytime. [Voice Control] ---- Compatible with Amazon Alexa,Google home ect. ,a easily command to voice leadership the thermostat. [Weekly Programmable]---5+2/6+1/7 days weekly programmable, different temperature could be environment for 6 time period on week days and a couple of term on weekend. [Accurate Temperature Setting]---The accuracy have reached 0℃,0℃ and 0℃,accurately management your room temperature. [Simple Manually Mode Change Operation ]---Touch button to alter mode between auto and handbook auto mode press up or down key to regulate temperature manually and thermostat again to auto mode in subsequent programmed time period. [Family Share Function] --- You can proportion the thermostat to your family members with the limited right,create a practical home with your kin member. [Linkage Function] --- It can linkage with diversified smart appliance in your home to create clever theme like go away domestic mode,back domestic mode,dinner mode,sleeping mode ect. [Group-Control Function] --- the thermostat can be set in group with different thermostat in several room, realize organization control function specifically scene. [Child Lock Function]--- Child Lock function avoid kid`s operation on it. Make sure your home in intelligent and safe status. SpecificationSupply voltage:AC100~240V;50~60Hz Power consumption:1W Max (Wi-Fi 3W Max) Temp. surroundings range:5~95℃ Floor limited range:5~47℃ On/off deviation:0~10℃, Factory environment ±1℃ Ambient temperature:-5~50℃ Protection level:IP20 Shell material:Anti-Flammable PC