Features: [Smart Android System] Runs on Android 6.01 System, it is powered by Amlogic S905X Quad-core CPU. Coming with 1GB DDR3, 8GB ROM ultimately deliver a richer using experience which runs Apps and games quickly. [Imaging System] Adopts LCD technology with more than 30000 hours of LED lifespan, features 1800 Lumens brightness, 1800:1 contrast ratio design and 800 * 480RGB resolution, supporting up to 1920 * 1080 (for a 1080P video-allowing you to watch your favorite movies in high definition). [High-performance] Brightness: 1800 Lumens, Contrast Ratio: 1800:1. High quality multi-chip-coated optical glass lens provides better color reproduction, better transmittance and better temperature resistance, keeping projection image in focus and color fidelity, much better than plastic lens. [Super Companion for Entertainment] Native Resolution: 800 * 480; Supported resolution: 1920 * 1080, Aspect Ratio: 16:9/4:3. HiFi level stereo audio performance comes with built-in amplifier-chip and built-in stereo speaker, providing cool home theater experience. [Adjustable Projection Distance Projection Size] Offer 28 180 inches image size and 1.2m 5.5m Projection Distance. Giving you a clear frame and a projection size of up to 180 inches, you can also select the optimal size of image by adjusting the distance to obtain the best using experience. Bullet Points: OS: Android 6.01 CPU: Amlogic S905X Quad core ARM Cortex-A53 GPU: Penta-core ARM Mali-450 Maximum frequency speed: 2.0GHZ RAM: 1GB DDR3 ROM (Internal Storage): 8GB Maximum Resolution: 4K x 2K WiFi: 802.11 b/ g/ n; 2.4G BT: 4.0 Ethernet: with RJ45 (network) Port Highlights: Display Type: a Single LCD Panel Hybrid LED Light Source Imaging Optical Engine Light Source: LED LCD Size: 4.0 Liquid Crystal Display Brightness: 1800 Lumens LED Lamp Using Life: about 30000 hours Native resolution: 800 * 480 Pixels Support Resolution: Up to 1920 * 1080 Pixels Projection mode: Front Rear, support Ceiling or by MINI tripod Max. Supported Resolution: 4K x 2K up to 60Hz Contrast Ratio: 1800:1/static; 10,000:1/Dynamic Throw Ratio: 1.38:1 Image Size (Diagonal): 28~180 Projection Distance: 1.2~5.5m Best screen size/ Distance: 60~80 / 2.2~2.6 m Support screen flip: up and down, left and right Speaker: 4O, 5W * 1 OSD Menu Languages: Chinese, English, etc 23 languages. Picture Zoom: Manual Focus (Manual Zoom) Support Keystone Correction: Vertical: +/-15 Aspect Ratio: 16:9 / 4:3 Operation: Remote Controller (With Infrared Remote Controller, Convenient to use) DLNA, Miracast protocol: by available online or local push for Wireless projection Wireless Connection: Smart devices (no need cable), WIFI Wireless Push (EZCast/Miracast or by Airplay) Mouse/ Keyboard: Support 2.4GHz wireless mouse and keyboard via 2.4GHz USB dongle Media Formats Supported: Video Compatibility: SDTV (480i, 576i) / EDTV (480p, 576p) / HDTV (720p, 1080i, 1080p), NTSC (M, 3.58/4.43 MHz), PAL (B,D,G,H,I,M,N) SECAM (B,D,G,K,K1,L) Video/Picture Decoding (Maximum 4K decoding): VP9 Profile-2, H.265 HEVC MP-10, H.264 AVC HP, H.264MVC, MPEG-4 ASP, AVS-P16(AVS+)/AVS-P2 Jizhun Profile, MPEG-2 MP/HL, MPEG-1 MP/HL, RealVideo 8/9/10, WebM, MJPEG and JPEG Supports: MKV, WMV, MPG, MPEG, DAT, AVI, ISO, MP4, RM and JPG file formats.