Installed on the indoor wall surface. Temperature range: +5/+40 degrees Celsius. Designed for space heating automatic control systems. Indicator light illuminates when heating is active. Meets safety, energy saving, and comfort requirements. Voltage: 220-240VAC 50/60Hz. Load current: 16A. Power consumption: less than 2VA. Temperature setting range: 5-40°C. External sensor: B=3950 10K @ 25°C. Wire length: 3 meters. Switch difference: ±1°C. Ambient temperature range: -5 to 50°C. Protective cover rating: IP20. Casing material: flame retardant PC. External dimensions (height/width/depth): 86/86/35mm. Features a temperature scale, dial, and switch on the panel. Simple operation and long-term reliability make it suitable for children and the elderly. Durable design with moderate pricing. Color: White/Black. Material: Plastic. Package includes: 1 x room temperature regulator. Additional products not included. Note: Light reflection and display differences may cause slight color variations between image and actual item. Measurement error allowance: +/- 1-3cm.