This intra-oral camera gives you are the perspective to explore or exam your teeth, ears, hair and other body parts on your own, it coupled directly and independently to a computer USB port, the dental camera's 1 / 4" CMOS sensor gives you high-resolution color images, and the 4 high-intensity white leds means that you'll need no external light source. Easy, convenience to use. Just one button capture button on the body. With auto-focus for 10mm to 30mm, provide best video examination and crisp high quality images! Best for Scientific teaching tool and School/Laboratory Research; insect and plant dissection/examination; skin and scalp examination; textile, jeweler, computer parts, collections/coin inspection.