【7 types to choose from】pack contains 42 pieces of LED dome lights in various sizes. Lights, these are respectively 6 pieces 31mm 6smd LED , 6 pieces 36mm 3smd LED , 6 pieces 41mm 16smd LED , 6 pieces T10 5smd LED , 6 pieces T10 0.2W Map LED , 6 pieces T10 4-SMD LED , 6 pieces 1157 1206 22smd Cornering and Brake LED 【Wide range of compatibility】 internal LED lights for cars are compatible with many types of sockets, such as W5W 12V 2825 192 194 158 168 501 921 175 PC175 906 904 161 etc. courtesy lights and more, providing a bright and clear visual experience when you're in a dark environment 【Wide Applications】This bulb fits many different positions: map lighting, dome lighting, license plate lighting, door lighting, clipboard lighting, trunk lighting, courtesy lighting, etc. 【Reliable workmanship for long-term service】 made mainly of plastic and LED bulbs, the dashboard lights are compact and durable, not easy to break or deform; In addition, the color temperature of the map lights is 6500K, and their voltage is DC12V, they are stable and useful, almost do not delay or flicker, offering up to 50000 hours of operation 【Convenient to install】have negative and positive polarity, just remove the broken bulbs and install these LED bulbs with correct polarity without taking up too much time and energy. If the LED does not light up, simply rotate it 180 degrees to reverse the polarity of the LED bulbs Specification: Number of bulbs: 42 Material: Plastic Type: Indoor lighting LED Fitted to: License plate lighting，car interior Light color: Xenon White Voltage: DC 12V Color temperature: 6500k Lifetime: >50 000 hours Working temperature: 140 Light bulb size: As shown.