Video :https://www.youtube.com/watch?v=e7HqoO8WLdA
When enter the escape room, players will see a cursor and a square in the display screen. There also have two plastic buttons. Players press the two plastic buttons to balance the cursor, moving the cursor into the square for a certain time, then the EM lock opens.
List: one display screen, two plastic buttons, one controller, one 12V adapter