AOC, one of the largest PC Monitor brands in the world, today lunched E1 series of PC monitors targeting the fast growing regional market for video surveillance. The E1 series consists of 4 models; 9E1H 18.5″ (470mm), 20E1H 19.5″ (494.2 mm), 22E1H 21.5″ (546.87 mm) and 27E1H 27″ (685.9 mm).