Making a light switch timer?
Is this the type of switch you're looking for?

1800 Watt 7 Button Countdown Timer Switch Maximum 60 Minutes Delay
https://www.maxximastyle.com/wall-timers-and-switches/7-button-timer-switch-turns-lights-off-automatically?gclid=CMunxuL1rcwCFcNehgod2FAHrw

Also, the more analog type:
FF Series Commercial Auto-Off Timer, SPDT (60 Minutes)
http://www.supplyhouse.com/Intermatic-FF360M-FF-Series-Commercial-Auto-Off-Timer-SPDT-60-Minutes?gclid=CMDY3eb2rcwCFYsmhgodDXkK5Q

To use these you just replace it for the original wall switch.