city cctv security surveillance camera system attached on the traffic light pole with clear blue sky background

alarm alert area attention big blue brother building cam camera cctv circuit city closeup control crime criminal criminality danger data datahouse detection device digital display electric electrical electronic equipment footage guard home industry information insurance internet lens look looking modern monitor monitoring observe office outdoor police privacy private property protect protection record road robbery safe safety screen secrecy secure security sky spy street surveillance system tech technology television thief traffic urban video view watch watching white zone