Smart Heating Knob Thermostat Controller for Water, Gas & Electric Boilers — Temperature Calibration

Smart knob thermostat designed for home heating systems (water, gas and electric boilers) with temperature calibration and easy setpoint control. Set temperature range: 5-35 ° C. Temperature range: 5-99 ° C. Display temperature range: 5-99. Environmental temperature: 0-45. Environmental humidity: 5~95% RH (non condensing).