Materials:LED/Plastic/Alumium Alloy .Working Voltage:DC 12V .Working Current:about 250MA .Power:about 3W .Color temperature:6000K(Light color White) .Luminance:300Lm .Wire length:about 90cm .The diameter of back:about 64mm .Connection Type: .Red line connect to positive pole,& black line connect to .negative pole .Package Included: 2pcs X 9 LED Daytime Running Light If you have any questions please feel free to email us. We will try our best to reply all e-mails within 24 hours. Please contact us for resolutions before leaving negative feedback, we strive to providing the greatest service and bringing the highest satisfaction to all of our customers.