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
Where i can find its lcd? mine has been broken. its model is
Inanbo T28CP45TN89-V17, if any one knows from where i can buy it kindly reply me with the link thanks alot..
Sorry, I can’t assist you in your search. I can only suggest that you reach out to Uni-T or look for the display on AliExpress.