# Add Device
To add a device to the already existed plant, select Device from the navigation bar and then click the + Add device button.
Here are steps for adding a device:
Select the plant to which you are going to add a device.
Select the proper method to add a device.
Manually add: Enter a device SN manually. If the registration number is valid, will become green. Click this icon multiple times, and you can add multiple devices.
Batch import:Download an Excel template, fill in the template with device registration numbers, and click Batch import to upload the Excel.