YABER Y30 home projector adopts an advanced german LED light source, high-quality materials, and a delicate manufacturing process. It delivers a bright large-screen with fantastic image clarity, outstanding color accuracy, and incredibly sharp image detail to both homes and businesses. The biggest feature is the y30's innovative 4D electronic keystone correction function (50 for horizontal and vertical correction), which is not possible on other products. If there is a jerky or lag when playing a video. Please no worries, this is NOT the YABER Y30 TV projector can also be used in low light conditions. A color matching algorithm can offer superior color gamuts and the best ability to reproduce the authentic color of the film. An extra MHL-HDMI adapter (not included) is required to connect to an Android phone - an additional Lightning-to-HDMI adaptor is needed. 2. When connecting to the iPhone, and Extra Lightning to HDMI adapters (non-included) are required. Keystone correction makes it simple to project ideally aligned images from a variety of locations. Y30 projector lens adopts the design concept of HD reverse lens, and has semi-hidden lens design, hides lens with the zoom ring, effectively prevents accidental scratches of the lens, etc. Hifi Level Stereo Audio Performance Built-in dual stereo speakers (3W) with SRS Sound System. With double clear sound quality, the powerful speakers give you an immersive experience. The Real Native 1080P Resolution The total number of pixels Patented low dispersion lens can minimize chromatic aberration so you can enjoy your favorite 1080P HD content with brilliant clarity. The brighter the projector is, the higher the power becomes. Intelligent temperature control technology, which can detect the temperature of the light source and the mainboard, and automatically adjust the speed of fans to prevent the fan from overheating. A double-Sided cooling system enhances heat dissipation, so the effect is 2 times more powerful than ordinary LED projections. 2. The projector can only read the MP4 video format in a USB Key. If you want to play AVI, MKV, WMV video, connect the computer to the YABER Y30 Projector for playback.