APPLICATION This bulb can be used for turn signal light rear/front, side maker light, etc. Non-polarity installation. MAIN FEATURES 400% BRIGHTER Sequencing 7PCS high brightness 3030-SMD chips plus 24PCS stable 4014-SMD chips precisely around the BAU15S led bulb. 5.5W per bulb, only 1/4 energy consumption of original halogen bulbs but 4 times brighter. BUILT-IN CONSTANT CURRENT IC Designed to be plug-and-play. Note: Some vehicles require the addition of load resistors to prevent the turn signal lights from flashing excessively or any error codes on the dashboard. LONGER LIFESPAN 6063 Aluminum Made in the highest quality. Complete aluminum body designed for quicker heat dissipation. Extends lifespan to 50,000 hrs. PACKAGE INCLUDED BAU15S LED Light Bulbs *2 SPECIFICATIONS Plug Type: BAU15S 7507 UniversalLED Type: SMD 3030 & SMD 4014Efficacy(per bulb): 5.5WLED Quantity(per bulb): 31pcs (24*4014SMD+7*3030SMD)Efficacy Lumen(2/pcs): 4000MLOperating Voltage: 12-24V, fit 12V carColor: 3500 AmberMaterial: Aviation 6063 AluminumLED Lifetime: 50000 hoursWaterproof: IP68 WARRANTY 1-Year hassle-free warranty ATTENTION The bulb size may vary between trims of your vehicle, please double-check the owner's manual or original bulb number to confirm before purchasing. FIT SIZE: BAU15S, 7507, PY21W