Features Includes all the LEDs you need to replace the interior incandescent bulbs Increased output with LED appearance Plug-and-play, simple installation Available in multiple colors and brightness levels. Overview Upgrade. This Interior LED Bulb Pack is compatible with the Ford Mustang and gives your vehicle a more modern appearance. this pack includes all the LEDs you need to replace the factory map, vanity, glove box, and trunk incandescent bulbs. These bright LEDs are available in a number of colors including cool white, red, blue, and green to match your unique style. Brightness. this pack is available in two different brightness levels. The Stage 1 option is a good choice if you're looking for a simple change of color, and slightly brighter output than your factory bulbs. For the highest increase in light output from your factory bulbs, we'd recommend the Stage 2 option! All Diode Dynamics LED lighting is rated with accurate, measured lumen figures, not calculations or guesses. We test the true output in-house, and provide you the real numbers to compare. Reliability. Unlike other bulbs on the market, Diode Dynamics LEDs are built with constant-current inductive circuitry, along with transient suppression. While more expensive than simple bulbs, this allows Diode Dynamics LEDs to last for years, with no flickering or failure. What's Included Four (4) 74 SMD1 Red Vanity Light Bulbs Two (2) 194 Red Map Light Bulbs One (1) 194 Red Trunk Light Bulb One (1) 194 Red Glove Box Light Bulb Installation Guide