I bought this camera in June 2022 for 314€, which is quite a good price.
Also see my post on the EEVblog forum: https://www.eevblog.com/forum/thermal-imaging/uti690b-teardown/

Source: Banggood.com: https://imgaz.staticbg.com/images/oaupload/banggood/images/42/81/8d3e2fc6-ecab-4c5f-95c0-c7990216fb5b.jpg.webp
Please click on an image to show a larger preview and avoid the constant changing of height of the image-box.