Smart WiFi Thermostat Voice Control Digital Weekly Programmable Temperature Controller Digital Smart Knob Thermostat with Dimmable Light Color Specification: Product material: PC + ABS (fireproof) Product size: 88 x 88mm / 3.46 x 3.46in Installation box: 86 x 86mm / 3.38 x 3.38in square, or European 60mm / 2.36in round box Wire terminals: Wire 2*1.5mm2 or 1*2.5mm2 Sensor: 3950, 10K Accuracy: ±1°C / 33.8°F Set temperature range: 5-35°C / 41-95°F Room temperature range: 5-70°C / 41-158°F Ambient temperature: 0-45°C / 0-113°F Ambient humidity: 5-95%RH (non condensing) Storage temperature: 0-45°C / 0-113°F Power consumption: ＜1.5W conservation class: IP20 Button: Capacitive touch button Version: WiFi