This comprehensive LED interior light kit includes fourteen bulbs in four different sizes and styles to replace dim factory lighting throughout your vehicle. The set contains four T10 bulbs with 5050 LED chips, four T10 bulbs with 1206 LED chips, four 31mm festoon bulbs with 2835 LED chips, and two 41mm festoon bulbs with 5050 LED chips. Each bulb produces bright 6000K white light with outputs ranging from 56 to 96 lumens depending on the style, creating a clean and modern appearance in your car's interior. Designed for 12V DC vehicles, these bulbs fit standard T10, 31mm, and 41mm sockets and can be installed as dome lights, map lights, license plate lights, trunk lights, and side positioning lights. The premium LED chips combined with efficient circuit design provide low power consumption while delivering up to 50,000 hours of reliable service. Installation is straightforward as each bulb directly replaces the original halogen bulb without modification. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65. The bulbs are constructed from durable plastic materials and weigh approximately 20 grams total, making them a practical upgrade for enhancing visibility and modernizing your vehicle's interior lighting system.