DAWNKNIGHT K5C110W H7 H4 Led Lamp Double Copper Tube Led Lights For Car H11 HB3 9005 HB4 9006 Canbus Led Headlight Bulb 2PCS Features: The new side-by-side double copper tube design reduces the probability of failure and is more reliable and stable. High-power LED chip, brightne increased by 400%. High-speed ball fan for better temperature drop. K5C and K4C use the same color LED chip, but because the brightne of K5C will be higher, the color of K5C will look lighter than K4C. If you are pursuing the perfect STG cut-off line, then K5C is a better choice than K4C! Special reminder: 1.Some vehicles need to install additional decoders after using K5C, otherwise the following situations will occur The bulb on one side is not bright. The bulb goes out immediately after it is lit. The occurrence of these situations means that you need an additional decoder. 2. Installing LED bulbs is a modification, and not all cars are suitable. Some models need to disaemble the front bumper to install the LED, and some installation costs may be required. We will not be responsible for any installation costs. Please try to light up the LED and test before installation to ensure that there is no abnormality before removing the front bumper to avoid unneceary costs. 3. H1 is not equipped with copper pipe due to size limitation. 4.If you plan to buy the D1S D2S D3S D4S model, please pay attention to its size! Because most lenses have relatively small holes, our bulbs cannot enter, so you have to modify them to enlarge the radius of the holes! At the same time, these bulbs cannot be connected to the ballast, which means you have to disaemble the ballast, and then connect the LED to the 12V power supply. 5.K5C LED have a temperature adjustment function. As the temperature of the bulb rises, the power will drop to a certain level. This is a normal phenomenon and will help the bulb to prolong its service life. The power provided in the data is laboratory data and does not represent the power after long-term work. 6.This product is not suitable for use in fog lamps, sediment will reduce the life of the cooling system, if you need to use it on fog lamps, please contact the staff, we will recommend more suitable bulbs for you There are 2 solutions for K5C's led chip. 6000K/4300K K-XP (3 led chips per side), H4 (3+6, high beam function uses 3570 6 led chips). 3000K adopts 3570 (6 led chips per side), H4(6+6). Operating Voltage : DC 12V Operating Temperature: -40degC ~ +80degC Color Temperature : 6000K/4300K/3000K Chip Power : 110W10%/Pair,(H1=90W10%/Pair,H4=100W10%/Pair) Lumen : 25000LM Design: All In One Design With Cooling Fan With canbus function SystemLifespan: >50000hrs Design: All In One Design With Cooling Fan Heat Diipation Theory : Aviation aluminum 6063 The actual power is 90% of the theoretical power Car Suitable Models: 90% of models on the market Notice: Products include: A pair of LED bulbs An English manual Product guarantee: 100% brand new product 100% original factory production Provide 1 year original factory warranty service FAQ: Do not know the Interface model of your car headlight ? 1, View the instructions of your car headlight. 2, ask the Car manufacturers which you bought your car from for help. About the canbus decoder: After installing the LED bulb, one of the following conditions appears for the headlights. Please don't worry, there is no problem with the light bulb, just your car needs to install an additional decoder: 1. One bulb flickers or one bulb does not light. 2. The dashboard shows the headlight failure. 3. After replacing the H4 headlight bulb, turn on the high beam light, but light the low beam light. Please contact our customer service and we will help About the adapter The lamp holders of some cars are not standard designs, and additional lamp holders are needed to complete the installation of the LED bulbs. If you are not sure whether you need an adapter, please contact our customer service and attach a photo of the lamp holder structure. We will provide aist (H7/H1) About Shipping: Generally , we will ship your order in 1-5 working days. If ship from China , it's about 10-60 days (Most countries only take le than 28 days). If ship from The Ruian Federation , most of areas is about 2-15 days. Some areas is about 15-45 days(Only available on The Ruian Federation). Sometimes due to holidays or force majeure factors, Big promotion (11.11). such as customs strikes ,bad weather, lead to logistics delays. If the delivery date is coming , but you haven't received the item , please cantact us to extend the delivery date. About the brand: Our store opened in 2019 and has accumulated nearly 20,000 followers. We have been committed to providing customers with brighter and more reliable LED bul