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Brand New Universal Anti UV and Blue Light Screen Protector for 20, 21.5, 21.6, 22 inch Monitor, Bubble Free Computer Screen Blue Light Blocker, Widescreen Monitor Frame Hanging Type (W 19.3" X H 12.5",16:9) Manufacturer model: ATBL-ARCL-20 - Reduce Eyestrain & Sleep Better:Cheerwe blue light computer screen protector only filter harmful blue light(380-455 nm). NOT like other blue light filter, we dont filter beneficial blue light(455-500nm), Beneficial blue light boosts alertness, helps memory and cognitive function, and elevates mood. Also, beneficial blue helps regulate circadian rhythm our natural wakefulness and sleep cycle.
- Anti Blue Light & Anti UV:Cheerwe blue screen protector for computer can filter the HARMFUL blue light with the wavelength between 385-445 nm, and release the BENEFICIAL light with wavelength above 445 nm. Advanced Blue Light Blocking Technology protects your eyes, sleep, and skin from the negative effects of blue light overexposure. 99% harmful UV can also be filtered by screen protector.
- Easy to Install & Bubble Free:Very Easy to Install, after cleaning your monitor just remove the films on both side of the computer screen blue light blocker. Hang the protector on your monitor. Paste- free and bubble free. It also can be removed at any time and hung on other computers for use.
- High Light Transmission: Cheerwe blue light monitor screen protector is made of High Light Transmission Acrylic, it can effectively prevent screen from dust and scratch. Perfectly works in office / home for student, OL, gamer and programmer.
- You Will GetPACKAGE INCLUDES: 1 Monitor Blue light filter, 1 cleaning kits, If you have any problems during use, please contact us, we will do our best for you!
Description
Shipping and Handling
Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US. We will provide an online tracking number to you once the item has been shipped. It may take a few business days for our automated system to process the tracking number onto . However, this will not affect the shipping times.
Return Policy
All our products are brand new and sealed. All items qualify for returns within 30 days of receipt.
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We take our reputation seriously. If you have any questions or concerns, please contact us and we will respond back to your message within 24 hours. 
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