Feature:1. Anti Blue Light Anti UV: The computer blue screen protective film can filter harmful blue light with wavelengths between 380420nm. Advanced blue light blocking technology protects your eyes, sleep and skin from the negative effects of overexposure to blue light. Screen protectors can also filter 99% of harmful UV rays. to help reduce eye fatigue. For broad HEV protection.2. High Light Transmittance: Compatible with 22inch (317x490mm) PC monitors. The Bluray Display Screen Protector is made of high light transmission acrylic, which can effectively prevent screen dust and scratches. Ideal for the office home of students, OLs, gamers and programmers.3. Reduce Eyestrain: Provides you with better sleep, blue blocker for your eyes, and protection for your health.4. Easy Installation: Simply remove the film on both sides of the blue light blocker on the computer screen after cleaning the monitor. Hanging the protector on the monitor. No paste, no bubbles. It can also be removed at any time and used on other computers.5. Multifunctional: Prevents eye fatigue, CVS, chronic eye damage, eye strain, soreness and more serious eye related diseases.Specification:Item Type: Blue Light Screen ProtectorProduct Material: AcrylicApplicable To: 22in (317x490mm) PC MonitorFilter Wavelengths: 380-420nm Blue Light (Beneficial Light Is Not Filtered), UV 99% Protection.Package List:1 x Protective Film2 x Anti Slip Stickers1 x Cleaning Bag (Including Clean Cloth x 1, Wet Wipes x 1) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.