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You can control lights wirelessy with their switches, if you have an alarm system and have a contact on your garage door you may be able to control it so that when ever the door opens the light comes on, that depends on the brand of the alarm panel though. For example at the back door of my house the light comes on when ever the door is opened and it stays on for a minute then shuts its self off. Also on my detached garage about 50 ft away from the house I can turn on and off an outdoor light from inside the house using a remote control.