This heating thermostat is suitable for under tile, stone, laminate, concrete, wood and carpet. Works with all electric floor heating mats and cables but not all systems. 7 day program scheduling helps to provide maximum comfort, while reducing operating costs. Features - Color: White. - Material: PC. - Size: 8.60X8.60X4.50cm/3.38X3.38X1.77 inch. - Rated voltage: 220V, 50/60Hz. - Temperature detection range: 0-100 degree centigrade. - Temperature control range: 5-45 degree centigrade. - Accuracy: ±1 degree centigrade. - Intuitive 7-day schedule makes it simple to program floor heating times to suit your lifestyle. - Large LCD digital display with backlight, easy to read in various lighting conditions. - Universal compatibility for all system types. Large, lighted easy-to-read touchscreen display. - Biggest size display, easy-to-use touchscreen menu operation. - Adopts precision production to stable characteristics and high reliability. Package list: 2 x Temperature Controllers