The MIRASTAR mirror, better known as a 'spy mirror', is transparent under certain lighting conditions and can be used as a viewing mirror. When it is dark on the other side of the glass, the glass produces a mirror effect.
The MIRASTAR mirror, better known as a 'spy mirror', is transparent under certain lighting conditions and can be used as a viewing mirror. When it is dark on the other side of the glass, the glass produces a mirror effect.