Native 1080P, UHD support 4K: TECDIGBO projector using the original physical resolution of 1920x1080 pixels,support 4K. Adopts high-quality LED Light Soruce with 9500 lumens, 5 gayers high Refractive glass lens, TFT LCD Screen with 12000:1 Contrast, Display Colors:16.7 Million, 16:9 Widescreen Display, 50,000 hours LED lamp, no decay, keep uniform brightness.Image is brighter and sharper. which brings you crystal clear and satisfactory image home theater experience. 4D±50° Keystone Correction & ZOOM Function:With 4D ± 50° keystone correction, which supports vertical and horizontal image correction,just one click on the remote to go to the adjusting page. you can easily get the correct image. This projector also supports 50%-100% image zoom, which is useful for adjusting the image size when using it indoors. It also has 360°flip function, support front, rear and ceiling installation. 5GHz/2.4GHz WiFi Dual-Band & Bluetooth 5.0: this TECDIGBO Smart projector can be connected to iPhone, Android, Laptop, Tablets via wifi function. The latest 5G WiFi is more than 3 times faster than the previous 2.4G WiFi, and watching videos is smoother. Bidirectional Bluetooth tech can connect to speakers, and also connect to mobile devices and work as a speaker.you can connect Bluetooth headphones, Bluetooth speaker, Soundbar. It is more convenient to use. Latest WIFI Screen Sync Technology: Adapts the latest WIFI smart phone synchronize screen technology can easy connect your iOS/Android device by simply connecting your WIFI. Mirroring screen can play movies/videos/photos/games from your devices to the large screen up to 350". Various Interfaces, High Compatibility: Equipped with a variety of inputs, including 2 HDMI, AV, 2 USB, and 3.5mm Audio-out. plug and play; Connect laptop/pc, blu ray/ dvd player, game consoles, tv box, speaker, headphones, smartphone/tablet and more. Specification: Brightness: 9500 lumens 12000: 1 high contrast and an aspect ratio of 16: 9/4: 3 Native resolution: Full HD 1920x1080P Maximum resolution: Ultra HD 4K Image size: 50-400 inches (optimal projection distance 3.0 m) Zoom function: 50%-100% Bluetooth 5.0 connection: built-in 5W dual stereo speakers,bluetooth headphones, bluetooth speaker, soundbar 5G & 2.4G WiFi screen synchronization: iPhone, Android, Windows10, MacBook, tablets, Huawei, iOS phone Projection mode: Front / Back / Ceiling / Tripod