How long does the light on the opener stay on for?

Most if not all modern-day openers include a courtesy light which will automatically switch on when the garage door is activated.  After a period of inactivity, the light will switch off to save electricity during periods of non-use. How long will the light stay on for? This period of time is configurable from only a few seconds to a number of minutes.  The standard light bulbs can be replaced with energy-saving bulbs to minimize electricity consumption further.