Installed on the indoor wall. Temperature range: +5/+40 degrees Celsius. Applied to space heating automatic control system. Indicator light is on when heating. Meets the requirements of energy saving and comfort. Voltage: 220-240VAC 50/60Hz. Load current: 16A. Power consumption: Less than 2VA. Temperature setting range: 5-40C. External sensor: B=3950 10K @ 25C. Wire length: 3 meters. Switch difference: 1C. Ambient temperature: -5 to 50C. Protective cover: IP20. Casing material: Flame retardant PC. External dimensions (height/width/depth): 86/86/35mm. Features a temperature scale, dial, and switch on the panel. Designed for simple operation and long-term reliability, suitable for children and the elderly. Color: White. Material: Plastic. Package contents: 1 x Room temperature regulator. Package includes only the items listed; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3cm.