Car LED Interior Reading Light 4000K Warm White 6000K C5W C10W 31mm 36mm 39mm 41mm Auto Room Ceiling Dome Lamp 12V Product Features: Voltage: 12V Color: 7000 K White Wide Application: Interior dome lights, map lights, license plate lights, parking lights, corner lights, trunk lights, side marker lights, courtesy lights, cargo lights, trunk lights, stepwell lights, vanity lights, etc. Easy Installation: LED Light bulb is easy to install, just plug and play! If it doesn't light up, please flip it 180 degrees then it should light up Compatibility: led bulbs fit for 31mm 36mm 39mm 41/42mm bulbs Package Included: 1 PCS LED Bulb Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.