When activated, the digital display on the front door is turned on. On the scoreboard the current year, but the figure begins to decrease to the desired year, and then the front door opens. Inside the tunnels, the running lights are activated. 

Can be used as a portal in time or a disinfection chamber. 

 * Functional or logic of work is possible. For example, on the doors instead of timers can be monitors on which the video will be played. Activation can occur only after players close the door from the inside, and the scoreboard or monitor will turn on inside the tunnels.