1.4K picture, 2200 ANSI lumen. MEMC motion compensation technology makes the speed clear 2.100 inch super-large large projection size 3.Ultra short-focus, 0.23 : 1 throw ratio, free wiring 4.Diffuse reflection imaging reduces visual fatigue and makes viewing more healthy 5.The picture is vivid, 3000 : 1 contrast. High-fidelity audio, dual full-frequency and dual high frequency. DTS and Dolby certification 6.Eight-point correction, more accurate picture adjustment 7.ALPD 3.0 display technology, more accurate color reproduction 8.Built-in intelligent voice system, just press and hold the voice button of the remote control, just say what you want to see 9.2.4G/5G dual-band WiFi mode, online 4K video playback does not freeze