Basic Scene what am I doing wrong!

Need help to set up a basic scene where a light is turned on for 2 minutes then turns off. I can set the scene to turn the light on but I’m missing something obvious cant see how to set it up to turn off after 2 minutes

See similar issue:,14823.msg112502.html#new

Open your scene for editing (click the wrench) and select the dropdown to the right of the scene’s name - usually labelled Immediate. Select Manage delays, type 2 in the Add box and click Minutes and then Close. Now you can set the required actions for this delay. You can switch between the two ses of actions by selecting Immediate or 2 minutes on the dropdown box.