Mini AV LED Digital Projector w/USB, SD Card Slot & Speaker - Enjoy Custom Viewing with a 17" to 67" Display! Mini AV LED Digital Projector General Features: Gray and black color LED lamp LCD image system 320 x 240 native resolution 17 ~ 67-inches picture size 3.54 ~ 12.7-feet projection distance 4:3 aspect ratio 300:1 contrast ratio 32 lumens nominal brightness 16770K color support Manual operation mode USB port SD card slot (supports up to 16 GB) 1 x 2.0-watt speaker NTSC/PAL format AVIN audio dis lay