1.Voltage: DC 12V2.LED Color: Pure White (6000~8000K)3.Package included: 9 PCS◆Dome Light : 2 X Feston 31mm-12SMD (Xenon White)◆Map Light: 2 X T10-5smd (Xneon White)◆License plate Light: 2 X T10-8smd (XenonWhite)◆Spare Light : 1X Feston 31mm-12SMD* 1XT10-5SMD *1XT10-8SMD(Xenon White)4.LED Type: 5050 chip & 3528 ship5.Cross Reference: T10=W5W 12V 2825 192 194 158 168 501 921 175 PC175 906 904 161 etc.Festoon 31mm = DE3175 DE3022 DE3021 3022 3021 6428 6430 etc.6. Application: Dome， Map ， License plate lightNote:- Before placing order， Make sure the Socket Type and Length of Bulb can fit your car . - If it doesn't light up， just flip it 180 degrees then it should light up. -Any question please contact freely.