Size:17 inches (15' 17' 19' 20') 1. Display resolution: 1280x(R.G.B)x1024 2. Built in two speakers (2W x 2) 3. Built in CF card type media player, Replacing Advert content expediently, No need any DVDs and VCRs for saving cost and volume. 4. It can play Advert program circularly and automatically when connection power supply 5. No needs anybody operation. 6. Optional Colors available 7. Support playback CD/VCD/DVD/Divx/JPEG/MP3 media file 8. programable timer(Can turn on or turn off AD player automatically on schedule every day) 9. IR remote control; 10. Writing Building, Marketplace, Airdrome, Station, Wharf, Hotel, Refectory, Public House Relaxation Centre, bus Uptown etc.