Digital Underfloor Heating Thermostat for Electric Heating System 16A Energy Saving Touchscreen LCD Display Room Temperature Controller Specifications: Material: PC and ABS (fireproof) Current load: maximum 16A (electric heating) Power consumption: less than 1.5W Sensor: NTC3950, 10K Accuracy: ±0.5℃ Set temperature: 5℃ to 35℃ Ambient humidity: 5 to 99% RH (non condensing) Storage temperature: - 5℃ to 45℃ Supporting language: 14 different languages, follow your phone setting Chinese/English/German/French/Russian/Spanish/Italian/Portuguese/Turkish/Arabic/Japanese/Dutch/Greek/Hebrew Installation hole distance: 60mm Suitable installation box: 86 * 86mm square or European 60mm round box (not included) Proof rate: IP20 Item weight: 165g / 5.82ounce Item size: 85 * 85 * 40mm / 3.35 * 3.35 * 1.57in WiFi Connection Procedure(only type 2): Step 1-1: install the device and connect with power Step 1-2: keep the device off Step 2: long press "down button" for 8 seconds Step 3: the "wifi" flashes on the screen (1 time per second)