Excellent sound quality, showing more sound details, enhancing the viewing experience. This projector delivers high definition images that bring your favorite movies, TV shows and games to life. Connect everything on your device and let the party begin. Two long and two short designs, with elevation Angle to enhance the viewing experience Provide high-resolution images for the best video experience. Support screen ratio: 4:3 16:9 Projection ratio: 1.2 Projector brightness: 1500ANSI lumens Display technology: LCD Light source power: 105W Optical resolution: 1920x1080dpi Support screen range: 30-300 inches Body size (mm) : 242x196x94mm Trapezoidal correction range: four-way correction Memory capacity (ROM) : 64GB Package list: 1 pc * Projector (Excluding other exhibits) Notes: 1. Due to measurement, please allow an error of 1-3 cm. 2. Due to different computer screens and monitors, the actual color may be slightly different from the picture. Thank you for your understanding! The large memory is used smoothly and enjoyably.