akaso mini projector, pocket-sized dlp portable projector, 50 ansi lumens video projector, support 1080p hdmi input built-in rechargeable battery stereo speakers and remote control movie projector akaso <p><b>product parameters</b></p> <p>display technology: 0.3" dlp</p> <p>native resolution: 480p</p> <p>brightness: 50 ansi lm</p> <p>lamp life: 20, 000 hours</p> <p>aspect ratio: 4:3/16:9/auto</p> <p>throw ratio: 37.8 in at 3.28 ft</p> <p>ram: 1gb ddr3</p> <p>battery: 4000mah</p> <p>offset: 100%</p> <p>focus adjustment: manual</p> <p>keystone correction: auto (vertical ±30°)</p> <p>projection distance: 3.3-10ft</p> <p>projection mode: front/rear/front ceiling/ rear ceiling</p>