The X128HP projector delivers high clarity and brightness of images even in well-lit medium-sized rooms, thanks to its brightness of 4000 lumens. Acer LumiSense ™, ColorBoost3D ™, and Color Safe II technologies allow you to enjoy realistic color reproduction, while Acer BlueLightShield ™ technology reduces eye strain. Brightness of 4000 lumens With a brightness of 4000 lumens, you can enjoy clear and bright images even from a distance, in daylight, and in large rooms. Acer ColorBoost3D ™ Accurate color reproduction and bright, realistic images are achieved with Acer ColorBoost3D ™ technology. Acer ColorSafe II Realistic and natural color reproduction with ColorSafe II technology, which dynamically manages RGB channels to prevent fading. Acer LumiSense ™ Acer LumiSense ™ technology adjusts brightness and saturation based on the projected content. Acer BlueLightShield ™ Thanks to Acer BlueLightShield ™ technology, eye strain is reduced.