What percent of UV is blocked?

Hello, Thanks for interesting in our film. Here are the UV rejection of all of our four colors. 1. Black-silver: Blocks up to 91% of UV rays 2. Tea-silver: Blocks up to 89% of UV rays 3. Blue-silver: Blocks up to 87% of UV rays 4. Silver: Blocks up to 71% of UV rays

Is this the type of film that reverses effect at night? (Brightest side gets the privacy/mirror effect)

AFAIK, this is the way all films work and there is no film that works otherwise. It has to do with which side is getting the light. If you are looking for privacy and UV/IR reduction, consider adding a Frosted/Wavy/Tulip type film with this film on the inside. People on the outside will see the image distorting film (as many windows high as desired) and you will have the UV/IR protection. There may be UV/IR blocking films with frosting already on them, I have not looked.

Does it really cool down the room inside?

Thanks for your question. This one way window film can blocking out most of the solar rays by reflecting it away from the window, which can keep cool in summer, but please do not expect it can worked as an air conditioner to make your room very cooler. Hope this would help you.

So does the reverse effect mean that at night from the inside your windows will look like a mirror?

Thank you for interested in our one way window film, the film of you asked is that will shows the mirrored view only in daytime, if at the night, then the mirrored view will disappear.

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One Way Mirror Film

Product ID: 119010881

Details

Brand
KESPEN WINDOW
Color
Black-silver
Installation Type
Static Cling
Material
Vinyl
Number of Items
1
Number of Packs
1

🪟Static cling, no glue install

☀️Blocks 90% UV rays

🌡️Reflects heat, saves energy

S$40

Duties & taxes included

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Description

🕶️ See the world, keep your secrets safe.

SMART HEAT CONTROL - Reflects infrared rays to keep your space cooler in summer and warmer in winter, slashing energy bills.
ULTIMATE UV DEFENSE - Blocks 90% of harmful UV rays to protect your skin and interiors from fading.
DAYTIME PRIVACY SHIELD - One-way mirror effect ensures your privacy during the day while maintaining your view.
VERSATILE STYLISH FIT - Perfect for home or office windows, sliding doors, and more, adding sleek privacy without sacrificing style.
EFFORTLESS STATIC CLING INSTALLATION - No glue, no mess—just spray water and apply for a bubble-free, residue-free finish.

The KESPEN Window Privacy Film is a 17.5-inch by 6.5-foot black-silver static cling vinyl film that blocks 90% of UV rays and 82% of infrared heat. It offers daytime one-way privacy with a reflective mirror finish, reduces glare, and helps save on energy costs by controlling heat transfer. Easy to install without adhesives, it fits smooth glass surfaces in homes and offices, providing a sleek, modern privacy solution.

Specifications

Asin	B07P7FKW8X
Best Sellers Rank	#1,681 in Home & Kitchen (See Top 100 in Home & Kitchen) #6 in Window Films
Brand Name	KESPEN WINDOW FILMS
Color	Black-silver
Customer Reviews	4.1 4.1 out of 5 stars (31,197) 4.1 out of 5 stars
Installation Type	Static Cling
Item Dimensions L X W	78"L x 17.5"W
Item Highlight	Reflective Sun Heat Blocking Daytime Privacy Anti UV Window Tint for Home Office
Manufacturer	KESPEN
Material Type	Vinyl
Number Of Items	1
Number Of Packs	1
Size	17.5 Inch X 6.5 Feet
Ultraviolet Light Protection	Block 90% UV Rays
Unit Count	9.49 Square Feet
Upc	682141268183

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