1. All in one system,plug and play,user friendly 2. Amazing 3D hologram display effect,eye-catching 3. Standalone version,content save to SD card directly 4. High resolution display, more clearly pictures 5. Built in LED lighting with over 20000 hours life 6. Content support JPG, PNG, GIF,MP4,AVI,RMVB,MKV Product name 42cm 3D hologram display Using Places Public places, individuals, companies, malls, etc. Imaging Size :42cm/16.5inch Led Quantity:224 Net Weightï¼? 0.7kg Reaction Timeï¼?