1. Weekly Programming Thermostat with LCD Screen, it is possible to set 6 periods called events each day with different temperature 2. Also you can select "temperature control mode" or "manual mode" according to your requirements 3. The thermostat is recommended for the control of electric heating devices or on/off valve actuator used in water-based heating system 4. Technical Data: 5. Voltage: AC 230V 50-60Hz 6. Power consumption: 2VA 7. Setting range: 5 - 90 Celsius 8. Limitation range: 5 - 99 Celsius (factory setting: 35 Celsius) 9. Accuracy of temperature measurements: 0.5 - 10 Celsius adjustable, (factory setting: +/- 1 Celsius) 10. Ambient temperature: -5 - 50 Celsius 11. Protecting grade: IP20 12. colour: White 13. Material: plastic 14. size: 86 x 86 x 12mm 15. Package Contents: 16. 1 x LCD Programmable Temperature Controller 17. 1 x NTC sensor 18. 2 x screw 19. Only the above package content, other products are not included 20. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm