LED (Light Emitting Diode) lights utilize solid-state semiconductors to generate illumination, replacing traditional incandescent or halogen bulbs. These components are used for all exterior vehicle lighting – headlamps, taillamps, turn signals, and auxiliary lights – and increasingly for interior applications. Key technical features include significantly reduced power consumption, extended lifespan, and faster activation/deactivation times. Modern LED assemblies often incorporate heat sinks and thermal management systems to maintain optimal performance and prevent premature failure. Advanced units may include integrated driving circuits for pulse width modulation (PWM) dimming and precise light control.