The bulb is ultra bright high intensity white light LED with 31~44mm adjustable connector. The 4.5W power 24-5050 LED is long lasting low power consumption. The bulbs are specifically for plug socket to be easy installation with no modification. The car white light bulbs provide high brightness and wider field of view. The bulbs are perfect as indoor light / car dome light / license plate light / car reading light / rear light / door light Material: PVC + copper Emitter Type: 5050 SMD Total Emitters: 24 Power: 4.5W Color BIN: White Rated Voltage: DC 12V Luminous Flux: 288LM Color Temperature: 6000~6500K Connector Type: (31~36mm)3021 / 3022 / 3175 / 6428 / 6430 / 30922 / DE3425;(36~39mm)3423 / 3425 / 6411 / 6413 / 6418 / 6423 / 6451 / 6461 / 6475 / 6476 / 6418 / 6461;(41~44mm)560 / 569 / 578 / 211 / 213 / 212-2 / 214-2 / 2122 / 2412 / 6413 / 6429 / DE3021 / DE3022 / DE3157 / DE3425 / DE4410; 2012-09-05 update: Comes with external T10 and BA9S connectors Application: Indoors light / car dome light / license plate light / car reading light / rear light / door light