Feature: Aluminum substrate, good heat dissipation Energy saving, environmental protection, Stable performance, through test, Use driving in the car For most cars, just Plug-n-Play,no ballast required. Yet for some European vehicles or new vehicles, load resistors maybe required to avoid the error code or blinking. When installing this bulb, please make sure to turn the car off, and key out. LED bulbs are very easy to install. You just have to plug it in the socket. (LED bulb has + AND -terminal. If it doesn't light up after inserting into the socket, all you need to do is insert it oppositely.) Note:The compatible vehicle lists is only partial lists IF your car Socket type is T15, W16W, then the item fits your car . Colour: Black material: metal We has in LED lights for many years. Our mission is to produce high quality automotive LED light bulbs. Specification: Bulb Size: T15, W16W, 912, 921,(Non-,CANBUS) Application: Backup Reverse Light LED Type: 2835 15SMD Beam Type: 360°Beam Angle Color Temperature: 6000K - 6500K Super White Lumens: 2400LM Working Voltage: DC 12V Lifespan: 50000 working hours ,Adopt chips, stable quality, long service life Application: LED Reverse Backup Light / Trunk / Cargo Area Light / Tail Light Package Contents: 4x T15 / W16W LED Backup Reverse Light Bulbs Note: CANBUS ERROR FREE: No. For most vehicles, just directly plug and play. Yet for some vehicles with CAN-BUS system, it may require install decoder or load resistor to avoid flash or fast blinking. Please check your manual or original bulb to confirm the correct bulb size & length before purchasing to same your time. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.