12V 24V 3570 chips : 70W/Pair , 26000 LM applicable to 9v-100v automobiles, trucks and trucks. 12V 1860chips : 50W / Pair , 20000LM is applicable to general 9-16v vehicles (both conventional vehicles and DC 9-16v vehicles can be used). Precautions to be read before purchase: CANbus : what is CANbus: solve the module program error after installing LED (some cars don't light up, or flash, one side doesn't light up, or the instrument display is wrong). 90% of the car errors on the market can be solved! However, it is not suitable for high-end cars of German brands, such as: B@B @ A@v @O (brand name cannot be used in full) if you have any doubts, please consult customer service before purchasing! thank you Features: Customized auto grade CSP Chips, 360 degree clear beam no blind zone and providing higher brightness, safer driving at night and bad weather. From raw materials to finished products, these products have experienced more than 30 tests, eliminating any defective products and ensuring high quality products. Aviation 6063 aluminum profile design, strong heat dissipation performance, and the actual service life exceeds 50,000 hours. Original car interface and chuck, plug and play, easy to install, strong versatility 0.1S instantaneous lighting, no delay to light up, faster on/off response time Intelligent control IC, automatic induction and automatic control current. Use EM without electromagnetic interference, completely isolate the electromagnetic wave from the interference of car audio and driving computer, escort for save driving. Package Included:1pair (2x) LED headlight bulbs1x English installation manual