Upgrade your car's interior lighting with these bright green T5 LED bulbs! This 12-pack gives you plenty of bulbs to replace all those dim halogen lights in your dashboard, instrument cluster, and other interior areas. They use advanced 3030 LED chipsets that deliver 100 lumens each with a pure green color that's so much brighter than stock bulbs. The compatibility is amazing - works with T5, W3W, W2.1W, 2721, and dozens of other base types for various vehicle models. Installation is super simple - just plug and play with no wiring needed. If a bulb doesn't light up at first, just flip it 180 degrees to reverse the polarity. They run on 9V-18V DC power and are way more energy efficient than traditional bulbs while lasting much longer. The green color is easy on the eyes at night and gives your car's interior a cool, custom look. Perfect for dashboard lights, indicator lights, map lights, gear shifter illumination, vanity mirror lights - anywhere you need bright, reliable lighting. The quality feels solid and they come with 2-year support. Just make sure to check your existing bulb types before ordering to ensure proper fit. Such an easy and affordable way to modernize your car's interior!