Feature: 1. Easy to use, loosen the adapter, insert it into the valve, tighten and turn the temperature controller on the adapter. 2. Provides multiple modes, vacation mode, comfort mode, window opening function, automatic mode, manual mode, and energy saving mode. 3. Suitable for heating and central air‑conditioning temperature control in residences, shopping malls, hotels, and is a helper for intelligent life temperature control. 4. With low battery alarm function, it will remind you when the power is turned on, so you don't have to worry about sudden battery drain. 5. After connecting to the APP through the ZigBee gateway, you can control the temperature through your mobile phone, which is both smart and convenient. 6. In automatic mode, you can set operating mode to 5 + 2, 6 + 1, 7 days and 6 periods. After selecting, press button to set time setting for the first time period of working day, and then press the button again to set temperature for the rest of time and complete setting. Specification: Item Type: Radiator Actuator Valve Material: ABS Weight: Approx. 200g / 7.1oz Product Size: Approx. 56x75mm / 2.2x3.0in Interface Thread Specification: M30x1.5mm (Female Thread) Battery Information: 2PCS AA Batteries (Battery Not Included) Display Temperature Range: 1-70℃ Control Accuracy: 0.5℃ Temperature Sensor: NTC (10k) 1% Maximum Stroke: 4.5mm Working Environment Temperature: 0-50℃ Default Setting Temperature Range: 5-35℃ Download APP operation steps: (please refer to the manual for detailed pictures) 1. Search for "Smart RM" in the application store, download the APP, the APP icon is as shown in the manual; 2. After the Zigbee gateway is configured, enter the gateway to add sub-devices. At the same time, wait for the actuator to be powered on and the system self-check is completed. Long press the combination keys "Picture" and "Picture" to activate the Zigbee network configuration icon "Picture"; 3. For Zigbee gateway network configuration, please refer to the gateway manual. Package List: 1 x Radiator Actuator Valve (Battery Not Included)1 x Screw1 x Nut5 x Accessory2 x Manual Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. This product must be used for tuya ZigBee gateway.