Eye protection and comfort The computer blue light shielding screen filter uses acrylic material and five layers of optical engineering protection. It delivers resolution and true color while providing scratch resistance, fingerprint resistance, and explosion resistance. It filters out the most harmful blue light, helping reduce eye fatigue and headaches and supporting better sleep. The anti blue light barrier blocks blue light in the 380 nm to 495 nm range for extended HEV protection. Material and durability Made of durable acrylic with five protective layers. The design emphasizes resolution and accurate color reproduction, along with scratch resistant, fingerprint resistant, and explosion resistant properties. This combination helps maintain clarity and longevity with regular use. Compatibility and size Suitable for 1227 inch widescreen desktop computer LED display panels. Please measure the size of your screen before . The filter is available in multiple sizes and can be washed and wiped for easy maintenance. Maintenance and cleaning Washable and wipeable directly for convenient cleaning. It is designed for repeated use without losing performance or clarity. Use scenarios and applications Office or home workstation: reduces eye strain during long work or study sessions and helps maintain comfort throughout the day. Late night or after hours: blocks blue light to support better sleep after long screen time. Color sensitive tasks or entertainment: maintains true color and provides reliable image clarity during design work, gaming, or media viewing.