One Way Window Film Privacy: Mirror Window Tint Film, Heat Daytime Privacy Film for Glass Windows, UV Reflective Anti Glare Film Clear, Sun Blocker for Home Office (Silver, 60 * 400cm)

non adhesive solar film provides excellent privacy during the day, When the outside light is strong enough than the inside light, the stronger the one way mirror effect is.NOTE! The mirror effect may reverse at night or in situations where indoor lighting is stronger than outdoor lighting.The Mirror Privacy Window Film doesn't provide privacy in night when light on inside the house.1. Clean the glass to ensure that the surface is smooth enough without stains.2. Measure the surface and cut the window film (Leave an extra 1-2cm margin on each side for easy adjustment).3. Peel off the backing film; spray a large amount of water on the windows and window film, and apply it to the surface of the window (Recommended to use detergent water).4. Use a scraper wrapped in a towel to slowly squeeze out all the bubbles.5. Trim the edges and wipe off any water stains on the surface.It helps you see out not in. During the day, people on the outside of the window can't see in through the glass, while you can still see clearly through it from the inside.ls there a one way window film that works at night?These types of films do not provde nightfime privacy when it is darker outside than inside. The one way mirror effect essentially gets reversed when the light outside disappears and lights get tumed on inside.Maintaining the privay and security of your home is critial. Adding tint to your windows makes it more difficult for people outside the building to see into your residence.Retain heat in winter and keep it out in summer. Helping reduce expensive heating and cooling costs.The most effective tint film will bloke out 99% of the UV light and 50% of actual sunlight without noticeably darkening your interior space.