Wifi Smart Thermostat Touch Temperature Controller for Gas Boiler Water Heating Product Features. [VOICE CONTROL]for Voice assistant Amazon, for Google,for Xiaodu, for Yandexo [APP CONTROL] Smart thermostat that can be controlled by your cell phone before you get home. [MANUAL/AUTO MODE]You can choose manual or automatic mode freely. [ACCURATE TEMPERATURE] Automatically obtains the temperature with an accuracy of 0.5. [Weekly Programmable] The thermostat supports different temperature settings for 6 time modes per day. [Child Lock] Keypad lock function is designed to prevent misuse by children. [Usage] Suitable for gas boiler/hot water heating. Perfect for home, office, shopping mall, hotel, etc. Specification. Type:WIFI Smart Thermostat Protection level/shell material:IP20/flame retardant PC Control panel power supply: two 5 batteries (can not use WIFI function), USB (Type-c-6p DC5V) Receiving power supply: AC230V 50/60Hz Current load:3A/3A Temperature accuracy:0.5 Temperature setting:5-70 Keypad:Touch button Product size:135*23.2*87.5mm Wireless Transmission Distance:100m in the open distance Wireless Frequency:433MHZ(Bidirectional FSK) Product Packing: 1x Smart Wireless Wall Furnace Thermostat 1x Data Cable 1x Manual