Feature:1. MODERN DESIGN: The smart thermostat features two way rotating knob buttons for a silky feel and artistic ambience to make the interior look more beautiful. Adapt your decor to create a comfortable feel for your home or office2. EASY TO USE: With a user friendly 1.81in TFT screen and intuitive knob control, the thermostat can be easily programmed and adjusted for temperature settings. Enjoy fast processes without any technical expertise3. SMART VOICE CONTROL: Connect your knob thermostat to your smart home system, adjust the temperature using your smartphone or voice commands anytime and anywhere, and enjoy the convenience of remote control4. UNIQUE AMBIENCE LIGHT: Knob thermostat allows you to switch color ambience apertures at will. By adjusting the function area, the color of the unreal image ambiance aperture changes synchronously with the color of the function area5. ACCURATE CONTROL: Smart thermostats allow you to set and maintain the exact temperature you want with unmatched accuracy. Say goodbye to fluctuating temperatures and enjoy consistent comfort in your home or officeSpecification:Item Type: Smart Knob ThermostatModel: 1439WTCShell Material: PC and ABS (fireproof)Power Supply: 95-240V AC, 50-60HzCurrent Load: 3A (water heating)App: For Tuya AppAccuracy: 1Set Temperature Range: 5-35Room Temperature Range: 5-99Display Temperature Range: 5-99Operating Temperature: 0-45Operating Humidity: 5-95%RH (non condensing)Storage Temperature: -10-45Power Consumption: <1.5WTiming Error: <1%Protect Level: IP20Mounting Box: 86 x 86mm / 3.39 x 3.39in square box or 60mm / 2.36in round boxTerminal Block: 2x1.5mm or 1x2.5mm wireKnob: Rotating KnobVoice Control: Support.Package List:1 x WiFi Thermostat2 x Installation Screws1 x User Manual