Try this mental exercise. Imagine a world without lights. Hard to right? Cause in a world without lights， even that image in your mind would be dark right now. Yes， lights are very important in our lives. It's been light this since the dawn of Time. Neanderthal man， afraid to venture out of his cave at night for fear of monsters. But when he discovered fire， he could go out at night. Carrying a torch in hand， he could take walks along the beach with his girlfriend. Or he could play night basketball with his buddies. Though often when he'd post up， he'd burn one of his buddies. But his buddy would always forgive him because they were good friends. Fast forward to the future， and let's go from the basketball court to the car. Automotive LED lights. These ones in particular are good for replacement. LED bright and capable of lasting a long time， they're ideal for anyone interested in safe and easy to use (just plug and play) car bulb lighting. Designed for faster response times， they are of the H4 base type with 102 individual 3528 SMD LED lamps for blue light emission and can be yours really soon by adding them to your shopping cart right away. <br />Dimension: 7.8x4.8x4.8cm<br />Voltage: 12-24V<br />LED quantity: 102 3528SMD LEDs<br />Light color: blue<br />Base: H4<br />Installation: <br />1. Open lens and remove original bulb<br />2. Choose appropriate adapter and install LED light just as ordinary light bulb<br />3. There is one type of LED light bulb which needs to distinguish the polarity of electrodes. Please insert it into the light holder on the automobile to see if it lights. If not， please insert it with the reverse polarity immediately. After the light is confirmed， mount it on the automobile.<br />1 x H4 LED light<br /><img src="http://img6.eachbuyer.com/x4/p79/ip17_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p79/ip17_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p79/ip17_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p79/ip17_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p79/ip17_5.jpg" />