Features BATTERY POWERED: 1.5V AA battery (not included) is used for power supply to ensure long endurance, and suitable for long term operation. GOOD PERFORMANCE: The thermostatic radiator valve has IP20 protection grade, with super torsion output, up to 8Nm, which is efficient and durable. SMART CONTROL: The radiator valve can be directly connected to WiFi and mobile phones, controlled by smart APP, and easy to use. LED DISPLAY: The thermostatic radiator valve adopts LED dot array display, which is clear and intuitive, convenient to view the test data. 6PCS ADAPTER: The kit is equipped with 6pcs different adapters, which are suitable for different types of valves to meet more use needs. Specification: Item Type: Smart Radiator Thermostat Material: ABS Power Supply: 3 x 1.5V AA battery (not included battery) Protection Grade: IP20 Surface Temperature: Maximum 90℃ (at radiator) Connector: M30 x 1.5mm Voice Control: For Google Assistant Advantages: Direct connection to WiFi and mobile phone Package List: 1 x Thermostat 1 x User Manual 1 x Screw 1 x Nut 6 x Accessories Package List 1 x Thermostat 1 x User Manual 1 x Screw 1 x Nut 6 x Accessories