Features:*Programmable weekly plan selection: supports manual setting of 5+2, 6+1 and 7-day weekly plans, and has 6 time periods to choose from, providing you with convenience in setting personalized indoor temperature plans under different circumstances .*Window opening detection: When the room temperature suddenlys drops to the temperature threshold, the valves will close for 15 minutes. Additionally, it features an easy-to-read digital display of the temperature in DegreeC.*Voice and remote control functions of wireless gateways: Based on a wireless gateways, after the valves is successfully connected to the Apps, remote control of the Apps through a smartphone is supported, and hands-free voice control is also supported.*Battery Powered, No AC-Installation Required: The controller is powered by 2 AA batteries (not included), requiring no separate AC-power supply and easy to install.*The new mini-designed thermostat has a simple and clear LCD display on the body. The radiators-thermostat is equipped with an LCD digital display. It is a special valves used in conjunction with the heating-radiators to manually set the indoor temperature. Mainly used to control the closing and opening of pipes in floor heating systems. 2MQTT settings are available.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:Power supply: 2*AA* 1.5V LR6/mignon/AA (not included)Operating temperature: -5~45 DegreeCConstants temperature tolerance: 0.7 DegreeCTemperature range 5~30 DegreeCThread size: M30*1.5 mmPackage List:1 set x Thermostat