... Reverse Functions for ceiling mounting.10.Vertical Keystone Correction.11.Remote Control.12.Built-in 2 speakers sound system for Aido13 ... .Supports PAL, NTSC, SECAM14.Audio Output for connecting your Home Theatre Sound System ... TVset box , Sky, X-box, X-box 360, PS2, PS3, Wii, PC, Laptop, Satellite/Cable.16. Portable type, small size & light ...