TGP T20 High Power Super White Cree Chip 5W Q5 Projector LED Reverse Backup Light Bulbs 2007-2012 Acura RDX Content: T20 High Power Cree Chip 5W LED SMD White - Pair Compatiblility: Only To be used for Reverse Backup Light that requires a T20 Important: CREE CHIP LED's are ONLY FOR REVERSE LIGHTS because when these LED's are on for a long period of time it could tend to get hot! Dimension: 50x22mm (Please check dimensions to make sure these LED's will fit the housing) Note: LEDs can be polarity sensitive. If you install these LEDs and they are not working, please flip them around and re-install them and you will be fine.