switch-controlled steps

noun
UK /swɪtʃ kənˈtrəʊld stɛps/
US /swɪtʃ kənˈtroʊld stɛps/

Steps that you can turn on and off with a switch.

The robot climbed the switch-controlled steps to reach the top shelf.


OTHER MEANINGS

2. Stairs whose movement or position is operated by an electrical switch.

The stage crew used switch-controlled steps to change the set quickly.

3. A set of steps in a game or machine that only work when a switch is flipped.

In the puzzle, the switch-controlled steps appeared after you pressed the red button.

4. Steps that can be raised or lowered by a switch for different users.

The pool has switch-controlled steps that lower into the water for young swimmers.