Please be kindly noted，the listed product is produced and distributed abroad and subject to the laws of its country of origin。    This programmable radiator thermostat is used to control the conventional radiator valves. With the radiator temperature controller,you can conveniently regulate the room temperature thanks to pre-programmed or individually tailored heating and cooling phases the desired temperature can be comfortably adjusted. Three work modes design automatic mode( Auto), manual mode( Manu) and holiday mode(O), , you can press Mode/Menu button to select the work mode according to your demands. Support set system year, month, day, hour, minute. You can have a try.    Features:  With the radiator temperature controller,you can conveniently regulate the room temperature thanks to pre-programmed or individually tailored heating and cooling phases the desired temperature can be comfortably adjusted.   The device moves a valve to control the flow of heat to the radiator, fits to all common radiator valve and is easy to mount without having to drain any water or intervene in the heating system.   Equipped with rapid heating up function, short-term radiator heating by opening the valve for 5 minutes, which will immediately bring a comfortable warmth to the room.   The radiator thermostat has three work mode: automatic mode( Auto), manual mode( Manu) and holiday mode(O), , you can press Mode/Menu button to select the work mode according to your demands.   Setting the week program, in the week program setting, each weekday can set 3 independent heating phases at most, the temperature setting should be the entire period between 00:00 and 23:59.  You can use UP and DOWN button to select a single day of the week, all weekdays, the weekend or the entire week.  Support set system year, month, day, hour, minute.  Designed with child lock to prevents children from touching by mistake.  Equipped with Tuta App remote controlling function, you can remotely control the thermostat by the installed app from your phone whenever and wherever you want.  Compatible with Alexa, Google Home for voice control, you can turn on or off the radiator just by voice.    Note:  Only operate the device in inside rooms and avoids the influence of humidity, dust and sunlight or external heat radiation.    Specifications:  Name: Intelligent Temperature Controller  Material: ABS  Battery: 2 * 1.5 V LR6/Mignon/AA battery (included)  Current consumption: 100mA (max.)   Ambient temperature: 0℃ to 50℃  Surface temperature: 90°C (at the radiator)  Interface: M30 * 1.5mm  Linear travel: 4.3mm  Item size: 103 * 54 * 60mm / 4.06 * 2.13 * 2.36in  Item weight: 180g / 6.35ounce  Package size: 110 * 65 * 60mm / 4.33 * 2.56 * 2.36in  Package weight: 280g / 9.88ounce    Packing List:  1 * Intelligent Temperature Controller