Remote control systems for lighting and appliances comprised of controllers, timers, modules and switches, appliance modules for the remote control of appliances, lamp modules and wall switches for the remote control of lamps, controllers for the remote control of appliances and lights, remote control units for appliances and lights, radio-frequency remotely controlled wall switches, motion sensors, programmable timers, telephone transponders for the remote control via telephone of appliances and lights, thermostat controllers, universal infrared/radio-frequency remote controls for appliances and lights, wall switch modules for the remote control of lights, wall dimmer modules for the remote control of light dimming, remotely controlled chimes, infrared remote audio-video extenders for the wireless transmission of audio-video signals to remote receivers, wireless video senders for receiving wireless audio-video signals, wireless and wired security cameras, universal audio-video remote controls, programmable universal remote controls, intrusion alarms, security systems comprised of sensors, dialers and consoles, and computer interfaces and software for programming computer interfaces for the remote control of appliances and lights