The DO TP 520VF vandal proof dome cameras are some of the toughest you’ll find anywhere. The polycarbonate impact resistant dome can withstand repeated blows from a 10-pound hammer and not break. They are perfect for installations in prisons, banks, military bases and other high risk areas. The camera have 420 lines of resolution. It Is a B/W camera that uses a brilliant Sony super HAD CCD with an excellent picture quality. The 3.6mm standard angle lens allows you to be able to setup the camera quickly and easily. It also runs on a 12VDC power supply. It is a good replacement for color domes.