Light emitting diodes not contain components of superconducting materials not lasers: 5 meters tape led blister lsr-3528w120-9.6-ip65-12v iek-eco, 5 meters tape led blister lsr-5050ww30-7,2-ip20-12v iek, tape led 5 meters blister lsr-3528b60-4.8-ip20