Electronic or pyrotechnic intruder deterrent systems and devices; electronic premises security systems and devices; systems comprised of software and hardware, and devices, featuring a means for outputting an air-suspended cloud of matter to obscure visibility in an environment; systems comprising motion detection, image capturing, voice communication and deterrent outputting means; systems comprised of software and hardware, and devices, comprising a means for monitoring an environment and a means for outputting a deterrent into an environment; systems comprised of software and hardware, and devices, having means for outputting an air-suspended cloud of matter to obscure visibility in an environment; systems comprised of software and hardware, and devices, having means for monitoring an environment and means for outputting an air-suspended cloud of matter to obscure visibility in the environment; software applications for premises security systems and devices; software applications for systems and devices that have a means a means for monitoring an environment and a means for outputting a deterrent into the environment; software applications for systems and devices that have a means for outputting an air-suspended cloud of matter to obscure visibility in an environment; alarm systems; security cameras; monitoring devices comprising a camera.;