Reduce blue light emitted from the monitor by 45%, decreasing exposure can minimise the potential of sleep deprivation induced fatigue Anti-reflective coating blocks screen glare for optimal clarity and viewing comfort, so you can concentrate on work and also reduces eye strain 180° viewing angle with colour correction to ensure native colour on screen Matte finish helps reduce the appearance of fingerprints or smudges Suitable for most 23.8" widescreen (16:9) Monitors - 525.0 mm x 296.0 mm Includes four easy attachment methods: adhesive strips, under-bezel tabs, slide tabs, and a hinge adhesive to quickly flip over your laptop screen Whilst blue light is all around us, too much screen time can lead to increased exposure of blue light, which disrupts the natural stimulation to our brain from diurnal cycle, leading to potential of 'digital eye strain' short term and sleep deprivation led fatigue long term. Help protect yourself and your screen with the Targus® Blue Light Filter Screen P