Lens: Acrylic Lens
Power: button battery( No battery )
1, the electronic industry, the operation of inspection, processing, installation and repair.
2, facial skin, the pores observed the beauty industry, manicure, ear and other mining.
3, sculptures and works of art appreciation.
4, cameras, watches and other inspection and repair.
5, usually people use when reading, especially for the elderly and students in reading under dim light.
6, dentists, tailors and embroidery work.