WiFi Thermostat Heater Temperature Controller LCD Touch Screen Backlight for Water/Gas Boiler Works with Alexa Google Home 3A
The manual in English:
https://drive.google.com/open?id=1xNnDkxG_a5BW4Ie_zDpBbOu0pcEz31XY INSTALLATIONYourthermostatissuitablefoeinstallationwithinastandard86mmpattressboxorEuropean60mmpattressboxStep1.Keeppoweroff.SeeFig1Step2.RemovethemountingPlatebyrotatingtheLCDpart.SeeFig2.Step3.Connectpowersupply,loadintotheappropriateterminals.(see"Wiringyourthermostat"fordetailsandFig3).Step4.Fixthemountingplateintothewallwithscrewsinthebox.SeeFig4.Step5.Fastenbodyofthethermoatatandthemountingplatethroughrotating.SeeFig5.Step6.Installationcomplete.SeeFig6.