1) 270 Flexible Angle 2) Latest Android 11.0 OS 3) Support 4K Max 4) WiFi Display for Laptop/Smartphone/Tablet 5) Stereo Sound 5W*1 System: Android 11.0 OS Focus: Auto focus 8D : Automatic vertical correction Support AC3 WiFi: 2.4G/5G WiFi 6 BT: BT5.0 CPU: MT9255, CA53*4 cores, 4K 60Hz AVS2/265 GPU: G31 mp2 Memory: RAM 1G DDR3, ROM 16G Screen wireless push: Airplay/ Wifi-display store: Download and install APP Language: 23types, , Danish, German, Greek, English, Spanish, Finnish, French, Croatian, Hungarian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Romanian, Russian, Slovenian, Belarusian, Vietnamese, Chinese, Traditional Chinese Optical parameters Display technology: LCD LED : 30,000 hours Brightness:380ANSI lumens. Resolution: 1280x720P Real Full HD Contrast ratio: 5000:1 Aspect Ratio:16:9/4:3 Projection Screen Size (inch): 30-200 inch Projection Distance (m): 0.9-5.8 meter Throw Ratio: 1.31:1 Correction: Vertical: +/-15deg, Smart Version support 6D (Horizontal, vertical, corner correction are supported) Zoom: Remote electronic zoom Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Colour:As Shown Material:plastic Package Contents: 1 x Portable Projectors 1 Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.