Proiector OPTOMA HD28i, DLP 3D, 3D, FHD 1920x 1080, 4000 lumeni, 50.000:1, 16:9 nativ, 4:3 compatibil, dimensiune maxima imagine 306" (7.77 m), distanta maxima de proiectie 10 m, lampa 5000 ore/ 10.000 ore Educatie, zoom 1.1, 2* HDMI, 2* VGA, Composite video, audio in/ out, MHL, USB-A power 1A, RS232, boxa 2W, 29- 31 dB, full 3D, Security bar, Kensington Lock, protejare cu parola, telecomanda cu baterii incluse, dongle wireless optional, greutate 2.82 kg, culoare alb