Thank you very much for viewing. ※ Brand new, unopened. 【HD - Brightness】With a brightness of 3000 lumens and a contrast ratio of 10,000:1, the RD-813 can easily display clear and bright images on a large screen, better than LCD projectors with the same parameters. The image quality is superior to full HD LCD projectors. We recommend viewing in a dark environment. (Native resolution: 720p, Maximum input resolution: 1080p) 【Practical Home Theater】 The RD-813 smart projector has one HDMI port and two USB ports, allowing you to watch HD movies in 720p or 1080p. In a relatively dark environment, this projector can achieve very stunning visual effects. [* USB ports support the projection of videos, photos, music, and text, but do not support Microsoft Office, please be aware.] 【Keystone Correction】 The RD-813 projector is equipped with a keystone correction function, so you can easily correct the distortion of the projected image. 【Interface】 Equipped with HDMI, USB, VGA, and DC ports, you can connect most external devices to the RD-813. Whether it's your mobile device or PC, the RD-813 can do it all. 【Built-in Battery (10,000 mAh)】 The iCODIS RD-813 mini projector comes with a 10,000mAh rechargeable battery. It is very convenient for outdoor use. Playback time is over 2 hours.