To transfer a Device to another Remote.It account, first select the Device in your Devices view and double-click on it to open the Device Details view as shown below. Click on the three dots in the upper right and select "Transfer Device" from the menu.
Start typing the e-mail address of the recipient.
Finally, hit the "Enter" key. When the "Transfer" button is highlighted blue, you can click on it to complete the transfer.
Confirm the transfer on the next dialog.
A confirmation message will appear.