ⓐ Don’t put any object, especially with metal characteristic in the main body of the product. It may result in low product performance or product malfunction.

ⓑ Do not use it in a humid area including bathroom or in an area with explosive gas.
If water soaks in the main body of the product, it may result in product malfunction.

ⓒ Do not spray burnable material near the main body of the product including hair spray,
benzene, insecticide, etc.