Unique Electronic Focus and Auto Keystone Correction Achieve a clear rectangular image with smart auto focus and automatic keystone correction, eliminating manual adjustments. Native resolution 1920x1080 with a 10000:1 contrast ratio and 350 ANSI lumens brightness for sharp, vivid picture quality. Fast 5G WiFi Connection WiFi6 with 4.2.4 and 5G dual band for fast, stable wireless transmission. WiFi6 offers at least three times the speed of WiFi5 and supports MUMIMO to improve efficiency and reduce screen delay. Builtin Bluetooth 5.0 enables wireless connection to speakers and other devices. Flexible keystone setup helps you place the screen precisely where you want. Support 1080P and 4K Content Supports up to 4K Ultra HD (3840x2160, 30FPS) HDMI input for connecting to computers, TV sticks, set boxes and other devices, with H.265 encoded video for efficient playback. Includes fully automatic keystone correction within a maximum range of 40 degrees up and down for easy setup. Wide Compatibility with Apps Builtin App Store provides access to mainstream apps and online updates to keep software current. Oneclick mouse mode makes app navigation easier when some apps require precise cursor control. Compatible with iOS and Android devices for wireless screen mirroring and DLNA display interaction. Supports screen projection and coscreen sharing across devices. Use cases Home cinema and casual gaming in living spaces with simple setup and automatic image correction. Office meetings and presentations with fast wireless connectivity, easy screen sharing, and reliable HDMI input for laptops or media sticks. Classroom or training environments using wireless screen projection, DLNA sharing, and a broad app ecosystem for teaching and demonstrations.