1. COMPATIBLE resolution: 1920 * 1080 pixels 2. White brightness (lumens): 4,200 3. Contrast ratio (dynamic): 15,000:1 4. Light source life: 50,000 hours 5. Light source power: 130 watts 6. Use RJ45 network port to ensure unimpeded wireless and wired network connection. With 2G memory (quad-core CPU processor) and 16G (five-core ARM GPU) expansion, video resolution supports 4Kx2K 7. With built-in WIFI, Bluetooth and wireless transmission functions, you can install and download through Google Play apk, you can easily use your Google ID to install any online video software 8. With HDMI, dual USB ports with direct multimedia playback function, standard configuration of professional digital audio interface (SPDIF output interface) and audio output 9. With 5 coated glass and fixed lens design, it can provide large projection images for smaller rooms 10. 2 10W stereo speakers, which can provide incredibly clear and audible sound, and have acoustic processing technology 11. With advanced audio-visual functions, flexible connection options and affordable prices, it is very suitable for video entertainment or home theater 12. Interface: (inputoutput) RJ45 (network) HDMI HDCP x1, USB x2, SPDIF x1, audio output x1, IR receiver x2 (front and rear) 13. Android version: 7.12 OS; Chipset model: Amlogic S905X 14. CPU processor: Quad-core ARM Cortex-A53 CPU and five-core ARM Mali-450 GPU 15. Ethernet: with RJ45 (network) port, support Google Play store, any APK online installation 16. Communication software: Support Skype QQ MSN GTALK (depending on APK software) 17. Office software: WORD EXCEL PDF (APK depends on third-party software) 18. Wireless connection: smart device WIFI wireless push (EZCast Miracast or Airplay) 19. MouseKeyboard: Support 2.4GHz wireless mouse, keyboard via 2.4GHz USB dongle