Light source: 2.69-inch LCD (cool tone) Luminance level (ANSI): 140 (high shell and high transparency) Physical resolution: 1280 * 720P Interface: HDMI/USB/USB Focusing method: electric focusing System: Android 7.1 (Smart Image) Chip: RK3128+intelligent imaging system (second-hand nesting) Memory: 1G+8GB High definition traditional appearance Equipped with Android Projection screen USB playback HD line access Multiple functions