... case,metal case available 4.VGA+HDMI+BNC 21.5" CCTV LCD monitor Feature:1. Any size from 5" to 82", such as ... ", 42", 46", 55", 65",70",82", etc.2. With plastic case, metal case available.3 . Open frame monitor, industrial monitor, high brightness lcd monitor(sunlight ... , normally above 50pcs, we will give special discounts. 21.5" CCTV LCD monitor