1.6 inch TFT Color Screen Threaded Knob Thermostat Features: On Appearance 1. Adopting 1.6-inch round TFT color screen, sensitive buttons give you an excellent experience, and the interface is more friendly 2. High-quality threaded side knob, imitation obsidian material, brings a delicate experience to your fingertips 3. 6H tempered glass panel, wear-resistant and scratch-resistant, protects the screen from scratches 4. Seven colors of atmosphere lights add color to your life, switch at will 5. A variety of back panels are available to suit different home styles On Functionality 1. Accurate temperature control, equipped with NTC3950 sensor, providing the warmth you want 2. ECO mode automatically adjusts the energy-saving threshold, with a one-week programmable function, green energy saving, lower cost, smarter and more environmentally friendly 3. Full scene compatibility, can control waterelectricityboiler heating, intelligent temperature control 4. With anti-accidental touch child lock function, protect childrens safety 5. Good accessibility: suitable for ALEXAGOOGLE HOME, fully experience the new voice control method Specifications: 1. Voltage range: 95-240 VAC, 5060Hz or 24V DCAC, 5060Hz (Please check the laser printed information on the back of the thermostat for the actual voltage) 2. Current: 5A (water heatingwall-mounted boilerboiler), 16A (electric heating) 3. Sensor: NTC3950, 10K 4. Temperature error: +-1 degree Celsius 5. Temperature control range: 5-45 degrees Celsius 6. Room temperature range: 5-70 degrees Celsius 7. Display temperature range: 5-70 degrees Celsius 8. Normal operating environment temperature: 0-45 degrees Celsius 9. Normal operating environment humidity: 5-95% RH (non-condensing) 10. Storage temperature: -10 to 45 degrees Celsius 11. Power: less than 1. 5W 12. Time error: less than 1% 13. Panel material: PC + ABS (flame retardant) 14. Installation embedded box: 86 x 86mm national standard