ANNLOV 7" LCD Digital Microscope 1200X Maginfication 1080P PCB Coin Electronics repair

I bought this to help fix my water damaged cell phone. My other USB microscope is too far away from my hands to be useful. I chose this microscope because the front focus knob.
https://www.amazon.com/gp/product/B089B3KRZH/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B089B3KRZH&linkId=8a5312feed2426d5573246208be59e59