Just 4 LED's and 4 push buttons provide hours of fun. The object of the game is to repeat a randomly generated pattern. The pattern is played both visually and audible or visually only (selectable). It features 4 difficulty levels, which can be selected at start-up. The replay speed gradually increases during the game, to make it even more challenging. Low power consumption. Microprocessor-controlled. Auto power off. Enclosure included.