Three Rings Prop Metal Button Edition real room escape Supplier YOPOOD

Players will see a Three Rings Panel box in the escape room. There are 3 rings across each other on this panel. There are also 12 buttons on the panel.
After power on, the buttons will all flash in red color. Just press any button to activate the prop in game mode. 
When press any button, the button and connected buttons will all change color. There are only red and green colors for these buttons. 
After press the 6 buttons in middle green area to be bright in green light and outside buttons to be red light, the EM lock will be open and the 12 buttons will be all in green color after 3 seconds. 
List: one Three Ring Panel Box and one 12V Adapter