Different effect between daytime and night The outside glass will show a mirror effect as well as keep your privacy only during daytime, and you can see outside from inside. When evening indoor light is stronger, then the glass outside will lose mirror effect as well as outside people can see inside, so remember to draw shades if necessary.
One way window film gives the window that reflective, mirrored look and also blocks hot solar rays from entering through your window. It rejects about 99% of the UV rays, helping to reduce fading on your precious furniture or other UV sensitive belongings, and about 80% of the total solar energy coming in from the sun. By maintaining your room at a cool, moderate temperature, you can promote a more environmentally aware lifestyle by reducing energy usage and help create a greener world.