35mm cameras; Alarm installations and alarms; Alarm monitoring systems; Burglar alarms; Camcorder handles; Camcorders; Camera hardware systems for IP (Internet protocol) video surveillance; Camera lens adapters; Camera lens mounts; Cameras; Computer cameras; Computer hardware for IP video surveillance; Computer memory hardware; Computer network adapters, switches, routers and hubs; Data processing equipment, namely, couplers; Digital video recording software for IP (Internet protocol) video s...