Weekly Programming Thermostat with LCD Screen, it is possible to set 6 perids called events each day with different temperature Also you can select " temperature control mode " or " manual mode " according to your requirments The thermostat is recommended for the control of electric heating devices or on/off valve actuator used in water-based heating system. Technical Data: Voltage: AC 230V 50-60Hz Power consumption: 2VA Setting range: 5 - 90 Celsius Limitation range: 5 - 99 Celsius ( factory setting : 35 Celsius) Accuracy of temperature measurements : 0.5 - 10Celsius adjustable, (factory setting: +/- 1Celsius) Ambient temperature: -5 - 50Celsius Protecting grade: IP20 colour:White Material:plastic size:86 x 86 x 12mm Package Contents: 1 x LCD Programmable Temperature Controller 1 x NTC sensor 2 x screw Only the above package content, other products are not included. Note: Light shooting 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!