Feature: 1. WORKING RANGE: Wireless intelligent radiator temperature controller, the temperature setting range is 5-35℃, and the display range is 0-60℃. 2. MULTIPLE FUNCTION: With application program control, supports language control and home sharing, and is programmed in 4 time periods every week. 3. GOOD COMPATIBILITY: Equipped with TRV and valve installation parts, compatible with most radiator valves on the market, convenient and practical. 4. APPLICABLE SCENES: The radiator thermostat is suitable for central air conditioning temperature control in residential buildings, shopping malls, hotels, etc. 5. COMPACT SIZE: The heating thermostat has a compact size, is equipped with installation parts, which is simple to operate, and greatly saves space. Specification: Item Type: Smart Radiator Thermostat Model: ME167 Material: ABS Battery: 2 x AA 1.5V alkaline batteries (LR6) (not included) Application: Suitable for heating and temperature control of central air conditioning in residential, shopping malls and hotels Basic Parameters: Temperature Sensor: NTC Temperature Accuracy: ±1℃ Display Range: 0-60℃ Temperature Setting: 5-35℃ Applicable Temperature: 0-50℃ Frequency: 2.4G. Package List: 1 x Radiator Thermostat4 x Accessories 1 x User Manual Note: To prevent the settings of the controller from being modified by children by mistake, long press the rotary knob to activate the child lock function when the machine is turned on, and the screen displays LC. If you need to unlock, please repeat the activation operation.