The White and Yellow has two functions, DRL and the turn signals. When you are driving straight, it lights up white. When you turn it flashing yellow light. 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. Fit :For Mazda 3 Mazda3 Axela 2019 2020 Features: 100% brand new and high quality. Adopt 100% brand new High quality High luminance LED. Elaborate and easy installation design. Bright LED consumes far less power than a standard bulb while maintaining optimal light output. Waterproof reflector for all road weather conditions. Bright with super beam daytime running light to driving safety. Longer life LED lifetime up to 50,000 hours, minimal maintenance cost. Enhance total appearances Extra cool white beam enhances to total appearance to your car Daytime running light improves safety while driving allows your vehicie to be seen at much . Further distances. Greatly improves reaction time of oncoming motorists in an incident. Specification: Light Source:LED Material Type:Silicone LED Voltage:12V Special Features:High Power Applicable models :Special Package contents: 1 Pair LED Daytime Running Lights and the required cable (for front L/R) 1:Timely orders process after the payment confirmed. 2:We only ship to confirmed order addresses. Your order address MUST MATCH to your Shipping address. 3:If you have not received your shipment within estimated days after order paid, please contact us. We will track the shipment and get back to you in soonest time. Our goal is to get customers satisfaction! 1:To protect the safety of goods,we will pack well before shiping Damage compensation: if the goods are damaged through the shipping,please send the video or photo to us, we will offer ful meney refund or send the goods again.The items will be treated and protectd well, Items are packed in paper box,If you have special requirement for the packing,please contact us. 2:We will use the Standard Shipping as our default shipping method,it is safe,official and economic. Please contact us if your items are not delivered in promised time.we will help you track goods and try to solve problem. Your feedback is very important for us to do better. So please leave Feedback 5 Stars if you are satisfied with our products. Thank you very much! Please contact us to get a better solution before you leave a neutral or negative feedback, if you have any problem of the fitting or quality. We will answer all messages in 24 hours, thank you in advance for your cooperation!