... .With plastic case,metal case available 4.VGA+HDMI+BNC 21.5" CCTV LCD monitor Feature:1. Any size from 5 ... ", 7", 8", 10.4", 12.1", 15", 17", 19", 20", 21.5", 22", 24", 26", 32", 37", 40", 42", 46", 55 ... the quantity, normally above 50pcs, we will give special discounts. 21.5" CCTV LCD monitor