The White Yellow Blue has three functions, DRL and the turn signals and night blue. When you are driving straight , it lights up white. When you turn it flashing yellow light.When you turn on headlight,it lights up blue. This project is for 2013-2014 Description: LED daylight lamp is a new type of green electric light source, as the result of constant flow control technology of advanced luminous uniform , it is totally light free-pollution, no noises, non-interference. Specification: Condition: 100% Brand New Continuous lighting Working Voltage: DC 12V Color Temperature Range: 6000~6700K Brightness: 70~90 LM(left and right strict symmetric ) Working Current: DC 150mA~300mA Duration of work: 24Hours Working temperature: -40~60 Material: ABS + LED Features: Lead the trend of car light source. No need to change the car to install the item. With reverse polarity protection and open circuit protection. Daytime running light improves safety while driving. It allows your vehicle to be seen at much further distances. Greatly improves reaction time of oncoming motorists in an accident. Enhance lighting in rainy and foggy days to avoid traffic accident. Bright LED consumes far less power than a standard bulb while maintaining optimal light output. Bright LED bulb with the lifespan up to 50, 000 hours. Shake-proof, dustproof, waterproof, and corrosion resistant. High quality Daytime Running Light with no pollution, no noise, no electronic interference. More efficient, energy saving. Over heating protection device to prevent over heating and burn. Caution: Disconnect the power before installation. Package included: A set LED Daytime Running Lights (for front L/R) Feedback: 1.We maintain high standards of customer satisfaction! If you like the product,please leave 5 stars feedback . 2.Please contact me before you give us neutral or negative feedback,so that we can satisfactorily address your concerns.