Intimate intelligence, more comfortable viewing experience Day or night, the picture is clear Let the film light and shade level is delicate, the screen is still large high-definition color Intelligent algorithm with global autofocus Three-dimensional surround, watching movies, listening to music, playing games, watching dramas and so on like a live experience Support screen ratio: 4:3 16:9 Projection ratio: 1:1.2 Projector brightness: 550CVIA lumens Display technology: LCD Light source power: 95W Memory capacity (ROM) : 16GB Trapezoidal correction range: four-way correction Body size (mm) : 257x219x110mm Support screen range: 50-250 inches 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.