𝗦𝗺𝗮𝗿𝘁 𝗥𝗮𝗱𝗶𝗮𝘁𝗼𝗿 𝗖𝗼𝗻𝘁𝗿𝗼𝗹: Precisely regulates room temperature by adjusting hot water flow with ±0.1 °C accuracy 𝗕𝗼𝗼𝘀𝘁 𝗠𝗼𝗱𝗲 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝗮𝗹𝗶𝘁𝘆: Instantly opens the valve to quickly heat the room to a comfortable level 𝗙𝗹𝗲𝘅𝗶𝗯𝗹𝗲 𝗣𝗼𝘄𝗲𝗿 𝗢𝗽𝘁𝗶𝗼𝗻𝘀: Powered by 2×AA 1.5 V batteries (included) and can be paired with a USB-A power source rated over 5 W for gateway connectivity 𝗔𝗽𝗽 & 𝗩𝗼𝗶𝗰𝗲 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: Control from anywhere using the Shelly Smart Control app or voice assistants like Alexa, Google Home - 𝗕𝗹𝘂𝗲𝘁𝗼𝗼𝘁𝗵 𝗚𝗮𝘁𝗲𝘄𝗮𝘆 𝗶𝘀 𝗶𝗻𝗰𝗹𝘂𝗱𝗲𝗱 𝗦𝗰𝗵𝗲𝗱𝘂𝗹𝗶𝗻𝗴 & 𝗧𝗶𝗺𝗲𝗿𝘀: Set up timers and personalized schedules per channel or create scenes for full-home automation, Weight: 0.23589462034 Pounds, Manufacturer: Shelly Europe