... correction, super contrast This LED Projector presents the best effect among the made-in-China LED projectors. ... life and low lamp cost. It is the best choice for home cinema, games or presentation use ... Image Size 2m-4m (60"-150")Cooling System Dust FreeKeystone Correction Digital Keystone CorrectionI/OInput Terminal ... Pb/Pr, AV, S-Video, VGA Output Terminal Audio In (Left&Right)Used with Sky, Blu-ray, ...