security systems (doors, windows, motion detectors, glass break detectors, low temperature detectors, sirens) fire alarms (smoke detectors, heat detectors, sprinkler flow detectors, pull stations, horn/strobes, gas detyectors, carbon monxide detectors) surveillance cameras, digital video recorders, home theater (projectors, screens, receivers, dvd players, speakers, cabinets, seating, carpeting, remote controls) whole house audio( speakers, volume controls, zone control/amplifiers