This inspection camera is very useful: 1. I am use it to check my dental last week, I found 2 teeth decay and Periodontal sputum。2. It have 10 feet strong borescope, very good for dark area searching and pick.3. it come with one 45 degree Refractor, this part is very good for view the side.4. if you have something fall into a deep area, you can use the hood part.
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