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
Teardown images
Click on any image to open the high resolution, un-cropped original.
Kitchen stove Kitchen stove (visible light) PC and monitors from ~4m My face 🙂 Specifications of the camera Source: Banggood.com: https://imgaz.staticbg.com/images/oaupload/banggood/images/42/81/8d3e2fc6-ecab-4c5f-95c0-c7990216fb5b.jpg.webp Battery current after the device has been off for about 30s Battery current measured after connecting the battery Backside of the button input PCB Front of the button input PCB USB C Connector (note the manual soldering and the missing solder on the housing) Bottom of the USB C Connector (note the missing solder on the housing) Heatsink for the thermal and visible light cameras Thermal and visible light cameras Thermal camera PCB and flat-flex cable Thermal camera PCB and flat-flex cable Case Case Damage on the battery caused at the factory Battery Backside of the LCD Frontside of the LCD USB C Connector Main PCB top Main PCB power input and battery charging Main PCB back Heatsink for the thermal and visible light cameras Heatsink for the thermal and visible light cameras with heatsink-pads Visible light camera back Camera PCB and lenses etc. Backside of the thermal camera Frontside of the thermal camera