[700ANSI Brightness & 1080P Full HD Image Quality] The S9 pro projector is equipped with 1920*1080P native resolution and supports 4K movie source playback. Its actual brightness is 700ANSI, which is brighter than ordinary projectors, and its pixels are 720p 4 times The projector, with high contrast, can improve the contrast between light and dark parts of the image, present more details, more realistic natural colors and bring you an extraordinary cinematic experience. [WiFi Projector-Screen Synchronization] This brand new Full HD 1080p WiFi home theater projector can achieve faster and more stable wireless connection and wired connection with IOS and Android systems with mirror screen function, and is also compatible with USB / HDMI / SD / AV / VGA input [Huge screen size] Huge screen size and 50,000 hours of lamp life: any display size from 30 inches to 200 inches, 5 distance feet to 15 feet, the best display size is an 80 inch screen. Keystone Correction and Auto Zoom FunctionThe most important function is the innovative keystone correction, which is more convenient. With a quick auto zoom function, you can adjust the image size to a more suitable position; using efficient DLP imaging technology can maximize bulb life; diffuse reflection imaging can better protect your eyes. [Wide Compatibility] Wejoy projectors are compatible with TVs, Amazon Fire Stick TVs, Chromecasts, PCs, Laptops, Tablets, U disks, iPads and Smartphones. It's an ideal choice for home entertainment [Fan noise canceling system and Hifi dual stereo] The S9 pro projector has two built-in 5W stereo speakers, which can achieve excellent sensing experience hearing without external speakers. Updated the innovative cooling system, the system includes heat dissipation and noise cancellation technology, which can reduce fan sound by half, ultra-low noise, quiet and no impact on movie watching [Built-in Android system] The S9 pro projector has a built-in Android system and supports the installation of various software