Designed for various heating systems This digital room thermostat works with electric heating, hot water heating systems, and gas boilers, helping maintain a comfortable indoor environment. Dual sensor flexibility It provides both an internal aluminum sensor and an external sensor option up to 300 cm, allowing monitoring placement to suit your preferences. Precise temperature settings Adjust the temperature accurately between 5 and 40 C with down to 5 C; includes calibration to ensure the displayed room temperature matches actual conditions. Visual status monitoring The integrated LED indicator lights red when the heater is operating, making it easy to check heating status at a glance. Use scenarios In homes with electric heating, use this thermostat to sustain steady comfort and reduce unnecessary energy use through precise temperature control. In properties with gas boilers or hot water heating systems, use the thermostat to regulate boiler operation, maintaining desired comfort levels while avoiding overheating. In larger rooms or spaces with drafts, use the external sensor (up to 300 cm) for placement that delivers more accurate readings and reliable performance.