Proof Dome, optional lens :4-6mm, available from supermarkets, schools, factories, and other common environmental spaces, shape and generous appearance, weight, and places of detention, imprisonment and other explosive indoor environment can be demanding, often used power of place

Explosion-proof hemisphere, an optional lens are: 4-6, available from MM supermarkets, schools, factories, and so common environment, form factor, there is a generous and beautiful, and the high-demand, and can be used indoor environment are often used as detention centers, such as imprisonment for

The explosion-proof hemisphere, may choose the lens is: 4-6MM, available by supermarket, school, factory and so on common environment place, contour natural artistic, has the component, to requests the high indoor environment to be possible to use, uses frequently with the house of detention, explos

Explosion-proof Dome, optional lenses: 4-6MM, available from supermarkets, schools, factories and other places of common environment, elegant and beautiful appearance, weight, and to require a higher indoor environments can be used, often with detention, imprisonment, and explosive places

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