Fangrui Product Details 1. Bht-2001 3a Load Water Heating Type Lcd Digital Heating Room Thermostat, Display Clock Temperature Time Week Heat Etc.(black) 2. It Is A Thermostat Designed To On Off Control The Fans And Valves In Air Conditioner Applications Via Comparison Of The Room Temperature And Setting Temperature To Achieve The Aim Of Comfort And Saving Energy. 3. This Thermostat Is Water Heating System Of Actuator Control. 4. Large Lcd Display With Negative Black Backlight, Easy To Read, Even In The Dark. 5. Modern Design Similar As A Cellphone. 6. Beautiful Frame Chrome Creates Elegant Life. 7. Acrylic Lens To Avoid The Finger Scratch. 8. Touch Button Makes Simple Operation. 9. Four Periods Program Schedules Maximize Comfort And Economy. 10. One-touch Temperature Control Overrides Program Schedule At Any Time. 11. Precise Comfort Control Keeps Temperature Within 1 Celsius Degree Of The Level You Set. 12. Data Memory When Power Is Off. 13. Easy Installation, Suitable For 86mm Hidden Box And European 60mm Round Box.