Webcams; Alarm installations and alarms; Alarm monitoring systems; Alarm sensors; Alarms for the detection of inflammable gases; Audio-video receivers; Burglar alarms; Camera hardware systems for IP (Internet protocol) video surveillance; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Digital video recorders; Infrared cameras; IP (Internet protocol) cameras; IP (Internet protocol) speed dome cameras; Network routers; ...