💞 [Innovative 4D Keystone Correction & Zoom Function} Our hd projector is the first projector with± 50 ° 4D (vertical & horizontal) keystone correction function to ensure the projected image is always a standard rectangle. It’s very convenient to adjust the screen by using the remote control, especially for the projector suspended from ceiling. Reducing projection size by using the X/Y ZOOM function, while others can only do that by changing the projection distance. | 💞 [1080P Native Resolution (1920*1080), Support 4k Video] The projector with a real native resolution of 1920*1080, remarkable 7000 lumens bright and high dynamic contrast ratio of 8000:1, provides sharp and detailed images from HD content without downscaling or compression, which is four times higher than 720p. Combining an innovative high-refraction 5 layers glassed lens, ensuring the best video experience. | 💞 [HIFI Stereo Sound & Latest Advanced Cooling System] The Y30 LED projector has built-in 3W dual stereo speakers with SRS sound system provides a great auditory sense experience without external speakers. Updated an advanced and silent cooling system with 3 fans running simultaneously. Adopt the latest SmarEco technology to minimize lamp power consumption to extend the useful life of the lamp to a maximum of 100000 hours. | 💞 [Giant Screen & Wide Compatibility] The video projector offers the projection size from 45" to 200" depending on the distance (1.5 - 5.5 meters) and 3M is the recommended viewing distance. Equipped with 2*HDMI ports, 2*USB ports, VGA port, AV port, this phone projector easily connects with TV Box, Amazon Fire Stick TV, Chromecast, PC, laptop, tablet, external speakers, Playstation, Xbox, DVD player, card reader, USB stick, media players, iPad, iPhone, Android smartphone. | 💞 [Three-year & Lifetime Professional Support] This 1080P projector is very suitable for home movie entertainment, backyard, games and party fun. YABER provides 6-month back and 5-year repair, lifetime professional technical support. NOTICE: Jerky or lag when playing videos is not a quality problem and can be solved by Firmware Upgrade. Any problems, please emaiI us anytime.