Chamberlain Liftmaster G7126438 Timer-to-Close
Provides an adjustable timer (1 sec. - 17 minutes) in the operator control circuit which will close the gate automatically after the preset, adjustable time interval. Will close the gate from any position other than full close, i.e., any mid-position as well as full open. If the timer has partially timed out, it can be reset to the full time interval by actuation of any open control or any safety device. May be factory or field installed.
