Thermostat vanne de radiateur radio VESTA-171

Z-Wave radio radiator valve thermostat VESTA-171 (TRV-1ZW). Automatic on/off control of radiator valve based on temperature settings. LCD screen displays temperature, time, mode and alerts. Antifreeze function when the ambient temperature drops below 5°C. Anticalcification with weekly opening/closing of the radiator valve. Boost function to temporarily speed up the heating process. Detect a sudden drop in temperature and adjust settings accordingly to maintain the ideal room temperature. Easy control knob for manual temperature adjustments. User-friendly interface with 3 buttons. Lock function available. Low battery detection. Periodic supervision signals ensure proper operation of the device. Communication protocol: Z-Wave. Frequency: 868.42 MHz. Power supply: 2 AA 1.5V alkaline batteries. Battery life up to 2 years. -10°C ~ +45°C operating temperature. Operating humidity up to 85% (non-condensing). Dimensions: 107.9 x 57.45 x 66mm