Escape Room Props 4 Colors Metal Bot

Brief introduction:
1.The escape room props consist of the controler,adopter,4 different colors metal bottons.
2.Each button has a color, which is red, yellow, blue and green,But the adventures must press these buttons in right order.
3. There are four metal buttons could be found in the room.The adventures should find a clue which the room owner set previously, and press the four buttons in right order will release the EM lock.If the pressing order is wrong, nothing will happen.
How to Set the order for unlocking?
Press the red button on the controller box don’t release until power on the controller,press these button in your order,wait 10 seconds,the controller will save your setting.
HOW TO RESET?
There are two ways,first one is press press all buttons in right order again,the EM lock will be locked.the second is power off the controller and restart it.