Features: [Smart Programmable Thermostat] Weekly programmable and 5+2 six periods programmable, flexible to use. [LCD Touchscreen] Large display screen with backlight, can clearly display the data in both bright and dark environment, easy to operate. [Flame-Retardant] Made from premium PC and ABS material with high strength and high density, no fear of fire, sturdy and durable. [0.5ºC Accuracy] Precisely control temperature within the level you set, which makes human body feel comfortable; also support data storage function when power is off. [Wide Application] Suitable for water and gas boiler heating central control, perfect for home use, office, hotel, etc.