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12 LED KNIGHT RIDER LIGHT EFFECT LED Light Electronic Ready Module with Decade Counter & Timer IC ( CD4017 , NE555 ) With Adjustable L.E.D. Running Speed Control– Super Bright Green LED’s & Report 12 LED In Line Knight Rider Ready Circuit Board for home and office decorating with LED series bulb. It is very easy to use and best quality material product. This Circuit is forward & Reverse Light 12 LED’s automatically. You can adjust it,s Running speed by Movement of Preset added in the Circuit board.You can also add Transistors and Relay to use for operating 220 volt bulbs with this circuit. All details provided in the Documents provided with the Circuit. •It is made of premium material,durable Glass apoxy PCB and High Quality Components for long service life.•Complete working, pre-assembled and ready-to-use project•This product comes with detail study material which explains the theory of the project.