product description: wownect s1 kids projector made of high-quality materials and diffuse reflection technology to provide soft light, soft image quality, clear and sharp, but will not cause eye fatigue and protect your eyes.large screen cinema, full hd, super clear contrast, surround sound speakers, ultra high definition audio, higher than ordinary projectors, provide you with high quality images and audio, and enjoy your private home theatre portable mini projectormulti-purpose, strong compatibility, simple operation and installation, you can enjoy movies, movies, tv series, cartoons, sports programs, play video games, and party, giving you a better experience.this mini projector can be used as a child's early education toy or entertainment companion, it can bring endless joy to your familyspecifications:brand: wownectmodel: s1display type: single-chip lcd technology mini projectorresolution: 320*240brightness (typical): led lamp 30 lumenscontrast ratio: 500:1aspect ratio: "4:3the original, 16:9 compatibledisplayable colors: the horizontal (1.67 million)projection: front projection, rear projection, liftinghorizontal scanning frequency: 15 - 150 khz (depends on the resolution)vertical scanning frequency: 48 - 190 hz (depends on the resolution)video compatibility: ntsc (3.58/4.43), pal (b/d/g/h/i/m/n), secam(b/d/g/k/k1/l), hdtv (720p,1080i, 1080p), edtv (480p, 576p), sdtv (480i, 576i)image size (diagonal): 20"-70"projection distance: 1m ~3mbrightness (typical): 16w ledlamp life: estimated life of over 20,000 hoursvideo: usb, av, mini sd, hdmiaudio: audio in, audio outcontrol: infrared remote controlpackage includes:1x wownect s1 kids projector1x power adapter1x user manual1x remote control