Wide compatibility with heating systems The rotary knob digital room thermostat is compatible with a range of heating systems, including electric heating and gas boilers, providing reliable and consistent indoor climate control for homes. Flexible monitoring with dual sensors Choose between a built in aluminum sensor or a 300 cm long external sensor to fit your room layout and monitoring needs, giving you flexible placement options. Precise temperature settings Set temperatures from 5 to 40 C with precise control down to 5 C and a calibration feature that aligns with real time room conditions, helping you maintain accurate comfort with less energy use. Easy status monitoring with LED indicator The built in LED indicator lights red when the heater is operational, allowing for quick, at a glance checks of heating activity. Use scenarios Retrofit a living room with electric heating to achieve stable, comfortable temperatures with simple knob adjustments. Control a home with a gas boiler for consistent room temperatures without manual tuning of each radiator. Place the external sensor away from heat sources or drafts (using the 300 cm cable) to improve measurement accuracy in rooms with unusual layouts. Key attributes Function: room temperature control for residential heating Compatibility: supports electric heating and gas boilers Sensor options: built in aluminum sensor or 300 cm external sensor Temperature range: 5 to 40 C Calibration: real time room condition alignment Indicator: red LED confirms heater operation Design: rotary knob for intuitive adjustment Performance: reliable, easy to install and monitor