Before Shopping EP mode (16A): is used to adjust heat surface electric heiting system,such as heating mat/cable/film; WP mode (3A): is used to regulate electrical thermal actuators, valves; WPB mode(3A): is used to regulate the boilers or heaters which are linked by means of way of "Dry Connected"Main Functions[APP Remote Control] ---- Download Smart Life/Tuya Smart APP in your phoneTablet to control the wifi thermostat temperature controller anywhere/anytime. [Voice Control] ---- Compatible with Amazon Alexa,Google domestic ect. ,a smoothly command to voice control the thermostat. [Weekly Programmable]---5+2/6+1/7 days weekly programmable, diverse temperature can 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 percentage the thermostat on your relatives with the limited right,create a wise home together with your relatives member. [Linkage Function] --- It can linkage with diverse clever appliance in your house to create smart theme like depart home mode,back home mode,dinner mode,sleeping mode ect. [Group-Control Function] --- the thermostat would be set in organization with different thermostat in several room, notice organization control operate in special scene. [Child Lock Function]--- Child Lock function avoid kid`s operation on it. Make sure your house in clever and secure status. SpecificationSupply voltage:AC100~240V;50~60Hz Power consumption:1W Max (Wi-Fi 3W Max) Temp. atmosphere range:5~95℃ Floor limited range:5~47℃ On/off deviation:0~10℃, Factory surroundings ±1℃ Ambient temperature:-5~50℃ Protection level:IP20 Shell material:Anti-Flammable PC